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PCA SKIN Perfecting Neck & Decollete
PCA SKIN

PCA SKIN Perfecting Neck & Decollete

Efficacy100/100IrritancyHigh
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Works for

2 of 2 advertised claims delivered

Moisturizing
23 ingredients credited for this claim
Strong support
What the product description says
“Dramatically hydrates and reduces redness and discolorations.”
Source: Bluemercury

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: glycerin, isomalt.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: caprylic/capric triglyceride, dimethicone.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide, palmitoyl tripeptide-38, palmitoyl tripeptide-5

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1–1.2%
Palmitoyl tripeptide-5HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.5–0.75%
Secale cereale seed extractKey activeEffect: HighRye seed extract. Helps soften the upper layer of the skin~0.6–0.9%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.1–0.2%
Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~1.7–2.1%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~0.95–1.15%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~1.9–2.4%
IsomaltKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin~0.5–0.75%
Palmitoyl tripeptide-38HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.1–0.2%
Prunus amygdalus dulcis oilKey active· EmollientEffect: MediumAn emollient that softens the skin~0.6–0.9%
Hydrolyzed silkKey active· HumectantEffect: MediumCan help attract water to the upper layer of the skin~0.35–0.65%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~1–1.3%
CyclopentasiloxaneKey active· EmollientEffect: MediumA silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin~0.8–1.2%
C12-15 alkyl benzoateKey active· EmollientEffect: MediumEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth~1.5–1.8%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~0.65–1%
Isopropyl palmitate· EmollientEffect: LowHelps soften the upper layer of the skin and create a thicker product consistency~1.2–1.5%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~0.6–0.9%
Hydroxypropyl cyclodextrin· EmollientEffect: LowUsed to stabilize product formulations and help soften the upper layer of the skin~0.5–0.75%
AllantoinUnder-dosedEffect: HighHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.5–0.75%
Butyrospermum parkii butterUnder-dosedEffect: HighA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~0.6–0.9%
Silybum marianum extractEffect: Low, below effective doseMight be able to help neutralize free radical, calm down inflammation in skin, and even skin tone~0.25–0.45%
Stearic acidEffect: Low, below effective doseHelps oil and water mix together and works as an emollient~0.75–1.1%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.3–0.5%
Anti-aging
6 ingredients credited for this claim
Strong support
What the product description says
“Key Benefits Designed specifically to target sagging, loose skin, and lines on the neck and chest.”
Source: Bluemercury

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains retinol, niacinamide.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: palmitoyl tripeptide-38, palmitoyl tripeptide-5.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1–1.2%
RetinolHeroEffect: HighTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.5–0.7%
Palmitoyl tripeptide-5Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.5–0.75%
Palmitoyl tripeptide-38Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.1–0.2%
Prunus amygdalus dulcis oilEffect: LowAn emollient that softens the skin~0.6–0.9%
Butyrospermum parkii butterEffect: Low, below effective doseA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~0.6–0.9%
Exfoliation
Not advertised by the brand · 2 ingredients credited for this claim
Strong support

This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: retinol.

RetinolKey activeEffect: HighTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.5–0.7%
AllantoinEffect: Low, below effective doseHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.5–0.75%
Anti-blemish
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

This product can help reduce breakouts and clogged pores because it contains the following ingredient: retinol. This ingredient is used for treating acne and can have a noticeable effect.

In addition, this product contains niacinamide. It can help in reducing blemishes, even though it is less effective.

RetinolHeroEffect: HighTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.5–0.7%
NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1–1.2%
AllantoinEffect: Low, below effective doseHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.5–0.75%
Anti-oxidation
Not advertised by the brand · 7 ingredients credited for this claim
Strong support

This product contains antioxidants (camellia oleifera leaf extract, retinol) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

Camellia oleifera leaf extractKey activeEffect: HighA plant extract that can help neutralize free radicals and reduce inflammation, even though it is not usually used in sufficient concentration in cosmetics~0.3–0.55%
RetinolKey activeEffect: HighTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.5–0.7%
Glycyrrhiza glabra root extractEffect: LowA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals~0.3–0.6%
Prunus amygdalus dulcis oilEffect: LowAn emollient that softens the skin~0.6–0.9%
Silybum marianum extractUnder-dosedEffect: MediumMight be able to help neutralize free radical, calm down inflammation in skin, and even skin tone~0.25–0.45%
Butyrospermum parkii butterEffect: Low, below effective doseA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~0.6–0.9%
Tocopheryl acetateEffect: Low, below effective doseA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.~0.55–0.85%
Evens skin tone
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: retinol.

In addition, this product contains niacinamide. This ingredient (ingredients) might help reduce hyperpigmentation, but the effect, if any, is likely to be small.

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually can help even out the skin tone: glycyrrhiza glabra root extract.

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1–1.2%
RetinolHeroEffect: HighTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating~0.5–0.7%
Glycyrrhiza glabra root extractEffect: LowA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals~0.3–0.6%

Can it cause trouble?

Irritancy
8 strong irritants: Retinol, Citrus aurantium dulcis oil + 6 more — patch-test recommended
High risk
We flagged 22 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
RetinolTwo steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritatingHigh~3.3–4%est.
Citrus aurantium dulcis oilUsed as a fragrance. It can be irritating and cause photosensitivityHigh~0.55–0.8%est.
Citrus grandis peel oilA plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skinHigh~0.5–0.75%est.
Citrus aurantifolia leaf oil—High~0.5–0.8%est.
Zingiber officinale root oilAn essential oil that is likely to be irritating and can cause photosensitivityHigh~0.45–0.7%est.
Citrus aurantium bergamia fruit oilA plant oil with a high content of volatile compounds that can irritate the skin and lead to allergic reactions. Can lead to photosensitivityHigh~0.35–0.6%est.
Mentha piperita oilUsed as a fragrance and can be irritatingHigh~0.3–0.55%est.
SclareolideDerived from clary sage. Used as a fragrance. Can be irritatingHigh~0.3–0.55%est.
Silybum marianum extractMight be able to help neutralize free radical, calm down inflammation in skin, and even skin toneHigh~0.25–0.45%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~1.7–2.1%est.
Isopropyl palmitateHelps soften the upper layer of the skin and create a thicker product consistencyMedium~1.2–1.5%est.
Glycol distearateHelps water and oil mix togetherMedium~0.9–1.1%est.
Potassium cetyl phosphateHelps oil and water mix togetherMedium~0.7–1.05%est.
Tocopheryl acetateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.Medium~0.55–0.85%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~0.6–0.9%est.
Polysorbate 60Helps oil and water mix togetherMedium~0.55–0.85%est.
EthylhexylglycerinA preservativeMedium~0.5–0.8%est.
Tetrasodium edtaHelps to stabilize the product formulationMedium~0.5–0.75%est.
Secale cereale seed extractRye seed extract. Helps soften the upper layer of the skinMedium~0.6–0.9%est.
Hydroxypropyl cyclodextrinUsed to stabilize product formulations and help soften the upper layer of the skinMedium~0.5–0.75%est.
Hydrolyzed silkCan help attract water to the upper layer of the skinMedium~0.35–0.65%est.
Glycyrrhiza glabra root extractA plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicalsMedium~0.3–0.6%est.
Comedogenic
3 ingredients rated 2 or more on the 0–5 pore-clogging scale
3 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Isopropyl palmitateHelps soften the upper layer of the skin and create a thicker product consistency3/5~1.2–1.5%est.
Butyrospermum parkii butterA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals3/5~0.6–0.9%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~0.65–1%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Palmitoyl tripeptide-38~25–31%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-38
Palmitoyl tripeptide-5~4.8–5.8%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-5
Vitis vinifera fruit cell extract~5.3–6.5%
Formula
Irritation risk
Low
More about Vitis vinifera fruit cell extract
Calcium hydroxymethionine~4.4–5.3%
Formula
Irritation risk
Low
More about Calcium hydroxymethionine
Retinol~3.3–4%
Hero · Anti-aging, Evens skin tone, Anti-blemishIrritant · high
Irritation risk
High
Works for
Anti-blemishAnti-agingAnti-oxidationEvens skin toneExfoliationMattifying

Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating

More about Retinol
Water~2.4–2.9%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~1.9–2.4%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Caprylic/capric triglyceride~1.7–2.1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
C12-15 alkyl benzoate~1.5–1.8%
Key active
Irritation risk
Low
Works for
Moisturizing

Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth

More about C12-15 alkyl benzoate
Isopropyl palmitate~1.2–1.5%
Comedogenic 3/5Irritant · medium
Irritation risk
Medium
Comedogenicity
3/5
Works for
Moisturizing

Helps soften the upper layer of the skin and create a thicker product consistency

More about Isopropyl palmitate
Niacinamide~1–1.2%
Hero · Moisturizing, Anti-blemish
Irritation risk
Low
Works for
Anti-agingAnti-blemishMoisturizingEvens skin toneReduces irritationAntibacterialReduces rednessAnti-inflammatory

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
Stearyl alcohol~1.1–1.3%
Formula
Irritation risk
Low
Works for
Cleansing

An emollient that helps soften the skin

More about Stearyl alcohol
Cetyl alcohol~1–1.3%
Key active
Irritation risk
Low
Works for
CleansingMoisturizing

A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together

More about Cetyl alcohol
Dimethicone~0.95–1.15%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Cyclopentasiloxane~0.8–1.2%
Key active
Irritation risk
Low
Works for
MattifyingMoisturizing

A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin

More about Cyclopentasiloxane
Glycol distearate~0.9–1.1%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Glycol distearate
Potassium cetyl phosphate~0.7–1.05%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Potassium cetyl phosphate
Stearic acid~0.75–1.1%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Helps oil and water mix together and works as an emollient

More about Stearic acid
Phenoxyethanol~0.6–0.9%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Cetearyl alcohol~0.65–1%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Tocopheryl acetate~0.55–0.85%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.

More about Tocopheryl acetate
Citrus aurantium dulcis oil~0.55–0.8%
Irritant · high
Irritation risk
High

Used as a fragrance. It can be irritating and cause photosensitivity

More about Citrus aurantium dulcis oil
Pentylene glycol~0.6–0.9%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol
Polysorbate 60~0.55–0.85%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 60
Prunus amygdalus dulcis oil~0.6–0.9%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidationAnti-aging

An emollient that softens the skin

More about Prunus amygdalus dulcis oil
Butyrospermum parkii butter~0.6–0.9%
Under-dosedComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-agingAnti-oxidation

A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals

More about Butyrospermum parkii butter
Carbomer~0.5–0.8%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Xanthan gum~0.55–0.8%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Sodium hydroxide~0.5–0.8%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Allantoin~0.5–0.75%
Under-dosed
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryReduces irritationReduces rednessAnti-blemishExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Ethylhexylglycerin~0.5–0.8%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Tetrasodium edta~0.5–0.75%
Irritant · medium
Irritation risk
Medium

Helps to stabilize the product formulation

More about Tetrasodium edta
Isomalt~0.5–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps attract water to the upper layer of the skin

More about Isomalt
Polysorbate 20~0.55–0.8%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 20
Citrus grandis peel oil~0.5–0.75%
Irritant · high
Irritation risk
High

A plant oil with high content of volatile compounds that, especially when exposed to air, can cause allergic reactions and irritate the skin

More about Citrus grandis peel oil
3-aminopropane sulfonic acid~0.5–0.8%
Formula
Irritation risk
Low
Works for
Cleansing
More about 3-aminopropane sulfonic acid
Calcium hydroxymethionine~0.5–0.8%
Formula
Irritation risk
Low
More about Calcium hydroxymethionine
Citrus aurantifolia leaf oil~0.5–0.8%
Irritant · high
Irritation risk
High
More about Citrus aurantifolia leaf oil
Zingiber officinale root oil~0.45–0.7%
Irritant · high
Irritation risk
High

An essential oil that is likely to be irritating and can cause photosensitivity

More about Zingiber officinale root oil
Secale cereale seed extract~0.6–0.9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Rye seed extract. Helps soften the upper layer of the skin

More about Secale cereale seed extract
Hydroxyethylcellulose~0.65–1%
Formula
Irritation risk
Low

Used to thicken product formulations and create gel-like textures

More about Hydroxyethylcellulose
Palmitoyl tripeptide-5~0.5–0.75%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-5
Retinol~0.5–0.7%
Hero · Anti-aging, Evens skin tone, Anti-blemishIrritant · high
Irritation risk
High
Works for
Anti-agingEvens skin toneAnti-blemishMattifyingExfoliationAnti-oxidation

Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating

More about Retinol
Hydroxypropyl cyclodextrin~0.5–0.75%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to stabilize product formulations and help soften the upper layer of the skin

More about Hydroxypropyl cyclodextrin
Citrus aurantium bergamia fruit oil~0.35–0.6%
Irritant · high
Irritation risk
High

A plant oil with a high content of volatile compounds that can irritate the skin and lead to allergic reactions. Can lead to photosensitivity

More about Citrus aurantium bergamia fruit oil
Hydrolyzed silk~0.35–0.65%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Can help attract water to the upper layer of the skin

More about Hydrolyzed silk
Kaempferia galanga root extract~0.35–0.65%
Formula
Irritation risk
Low
More about Kaempferia galanga root extract
Mentha piperita oil~0.3–0.55%
Irritant · high
Irritation risk
High

Used as a fragrance and can be irritating

More about Mentha piperita oil
Sclareolide~0.3–0.55%
Irritant · high
Irritation risk
High

Derived from clary sage. Used as a fragrance. Can be irritating

More about Sclareolide
Camellia oleifera leaf extract~0.3–0.55%
Key active
Irritation risk
Low
Works for
Anti-oxidationAnti-inflammatory

A plant extract that can help neutralize free radicals and reduce inflammation, even though it is not usually used in sufficient concentration in cosmetics

More about Camellia oleifera leaf extract
Glycyrrhiza glabra root extract~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin toneAnti-inflammatoryReduces rednessAntibacterial

A plant extract that can help lighten the skin and calm down inflammation. Might be helpful in neutralizing free radicals

More about Glycyrrhiza glabra root extract
Silybum marianum extract~0.25–0.45%
Under-dosedIrritant · high
Irritation risk
High
Works for
Anti-oxidationAnti-inflammatoryMoisturizing

Might be able to help neutralize free radical, calm down inflammation in skin, and even skin tone

More about Silybum marianum extract
Morus alba root extract~0.25–0.4%
Formula
Irritation risk
Low
More about Morus alba root extract
Oenothera biennis root extract~0.2–0.35%
Formula
Irritation risk
Low
More about Oenothera biennis root extract
Lecithin~0.3–0.5%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin

More about Lecithin
Vitis vinifera fruit cell extract~0.2–0.35%
Formula
Irritation risk
Low
More about Vitis vinifera fruit cell extract
Sodium benzoate~0.15–0.3%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Sodium hyaluronate~0.1–0.2%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Palmitoyl tripeptide-38~0.1–0.2%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Palmitoyl tripeptide-38
Ingredient list view

Palmitoyl tripeptide-38, Palmitoyl tripeptide-5, Vitis vinifera fruit cell extract, Calcium hydroxymethionine, Retinol, Water, Glycerin, Caprylic/capric triglyceride, C12-15 alkyl benzoate, Isopropyl palmitate, Niacinamide, Stearyl alcohol, Cetyl alcohol, Dimethicone, Cyclopentasiloxane, Glycol distearate, Potassium cetyl phosphate, Stearic acid, Phenoxyethanol, Cetearyl alcohol, Tocopheryl acetate, Citrus aurantium dulcis oil, Pentylene glycol, Polysorbate 60, Prunus amygdalus dulcis oil, Butyrospermum parkii butter, Carbomer, Xanthan gum, Sodium hydroxide, Allantoin, Ethylhexylglycerin, Tetrasodium edta, Isomalt, Polysorbate 20, Citrus grandis peel oil, 3-aminopropane sulfonic acid, Calcium hydroxymethionine, Citrus aurantifolia leaf oil, Zingiber officinale root oil, Secale cereale seed extract, Hydroxyethylcellulose, Palmitoyl tripeptide-5, Retinol, Hydroxypropyl cyclodextrin, Citrus aurantium bergamia fruit oil, Hydrolyzed silk, Kaempferia galanga root extract, Mentha piperita oil, Sclareolide, Camellia oleifera leaf extract, Glycyrrhiza glabra root extract, Silybum marianum extract, Morus alba root extract, Oenothera biennis root extract, Lecithin, Vitis vinifera fruit cell extract, Sodium benzoate, Sodium hyaluronate, Palmitoyl tripeptide-38

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Bluemercury
$84.00
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Amazon USPrice as of 10/9/2026 21:05 GMT
$97.00
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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
PCA SKINPerfecting Neck & DecolleteYOUR PRODUCTColorescienceTotal Eye Firm Repair CreampH formulaMD AGE Active RecoveryOlayRegenerist Retinol24 Night Eye Cream
Match—70%60%58%
Price$84.00$98.00+$14.00—$39.65−$44.35
Shared key ingredients—5 of 157 of 154 of 15
Key difference—Salicylic AcidGlycolic AcidTitanium Dioxide
Irritancy High Medium Medium High
Drying alcohol————
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Product summary

Based on the ingredients included, "PCA SKIN - Perfecting Neck & Decollete" works well for moisturizing the skin. As we expect from a proper moisturizer, the formula includes a combo of effective humectants and emollients. These are the two different types of ingredients that are essential for improving the skin hydration and supporting a healthy skin barrier. Humectants in this product (glycerin, isomalt, sodium hyaluronate and hydrolyzed silk) help to increase the water content in the upper layer of the skin. (These ingredients do so by "capturing" water molecules from the outside air or from within the deeper layers of the skin). Emollients in this formulation (caprylic/capric triglyceride, dimethicone, c12-15 alkyl benzoate, cetearyl alcohol and cetyl alcohol) help to reduce the moisture loss from the skin. They also soften the skin surface and relieve the feeling of dryness and tightness.

Ingredient callouts

  • this moisturizer contains an effective form of retinoids (vitamin A): retinol 0.50% - 0.70% and retinol 3.30% - 4.00%. Retinoids are potent multitasking actives. They work to improve and prevent early signs of aging, reduce hyperpigmentation (age spots and post-acne marks), and prevent inflamed blemishes and clogged pores. The downside of retinoids is that they can be irritating. If you are not already using a retinoid in your routine, it is best to start slowly and apply the retinoid product only a few times per week. If your skin tolerates it well, you can gradually increase the frequency to daily. Because of the irritation risk of retinoids, we recommend to have another, retinoid-free moisturizer in your routine to use on the alternative days or when your skin feels dry.
  • This moistruizer also contains peptides (palmitoyl tripeptide-38 0.10% - 0.20%, palmitoyl tripeptide-5 0.50% - 0.75%, palmitoyl tripeptide-5 4.80% - 5.80% and palmitoyl tripeptide-38 25.00% - 31.00%). Peptides is a very big group of ingredients. They all consist of a different combination of amino-acids. Our skin produces peptides naturally. Some of them work as natural anti-biotics, promote wound-healing and production of collagen. The scientists are still studying how effective the topical application of peptides is, but it is very likely that peptides in skincare are helpful. They might be able to support skin barrier restoration and even have an anti-aging benefit. At the very least, they certainly help attract water to the skin and support the hydration in this way.

Irritation risk

There are quite a few common irritants in this product, including ingredients without particular skin benefits. We would not recommend it for sensitive skin. We assess the overall irritancy of this moisturizer to be high. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails for 84.00$ in the United States, for 111.00CA$ in Canada, for 134.68A$ in Australia and for 86.39£ in the United Kingdom.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 19 studies and safety reviews.

  1. 1
    Retinoids in the treatment of skin aging: an overview of clinical efficacy and safetyncbi.nlm.nih.gov
  2. 2
    Improvement of naturally aged skin with vitamin A (retinol)ncbi.nlm.nih.gov
  3. 3
    A comparative study of the effects of retinol and retinoic acid on histological, molecular, and clinical properties of human skinonlinelibrary.wiley.com
  4. 4
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  5. 5
    Final Report on the Safety Assessment of Isopropyl Isostearatejournals.sagepub.com
  6. 6
    Niacinamide - mechanisms of action and its topical use in dermatologyncbi.nlm.nih.gov
PCA SKIN Perfecting Neck & Decollete
PCA SKINPerfecting Neck & Decollete
Buy at Bluemercury$84.00$97.00as of 10/9 21:05 GMT

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

Buy at Bluemercury$84.00$97.00as of 10/9 21:05 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.