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Perricone MD Neuropeptide Firming Facial Concentrate
Perricone MD

Perricone MD Neuropeptide Firming Facial Concentrate

Efficacy100/100IrritancyMedium
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Works for

2 of 2 advertised claims delivered

Anti-aging
9 ingredients credited for this claim
Strong support
What the product description says
“Visibly lift sagging skin with this cutting-edge skin tightening cream.”
Source: Perricone MD

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

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: acetyl tetrapeptide-9, arginine/lysine polypeptide, n-prolyl palmitoyl tripeptide-56 acetate, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1.

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.

Glycolic acidKey activeEffect: HighAn alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid~1.2–1.5%
Arginine/lysine polypeptideKey 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%
Acetyl tetrapeptide-9Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
N-prolyl palmitoyl tripeptide-56 acetateKey activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Palmitoyl tetrapeptide-7Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Palmitoyl tripeptide-1Key activeEffect: MediumA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
Butyrospermum parkii butterEffect: LowA 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~1.8–2.1%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.3–0.5%
Ascorbyl palmitateEffect: Low, below effective doseBeing a lipid soluble form of vitamin C, it is more stable and can penetrate the skin better than L-Ascorbic acid. It is effective in protecting the skin from free radicals, as well as evening the skin tone, but is less effective in stimulating collagen production compared to L-Ascorbic acid.~0.25–0.45%
Evens skin tone
1 ingredient credited for this claim
Strong support
What the product description says
“Skin is left looking and feeling firmer and more elastic immediately after application and with a dramatically more even skin tone and texture over time.”
Source: Perricone MD

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

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.

Glycolic acidKey activeEffect: HighAn alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid~1.2–1.5%
Exfoliation
Not advertised by the brand · 1 ingredient 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: glycolic acid.

Glycolic acidKey activeEffect: HighAn alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid~1.2–1.5%
Moisturizing
Not advertised by the brand · 21 ingredients credited for this claim
Strong support

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, mannitol.

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: butyrospermum parkii butter, caprylic/capric triglyceride.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: acetyl tetrapeptide-9, arginine/lysine polypeptide, n-prolyl palmitoyl tripeptide-56 acetate, palmitoyl tetrapeptide-7, palmitoyl tripeptide-1

Acetyl tetrapeptide-9HeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
Althaea officinalis root extractKey activeEffect: HighA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation~0.25–0.5%
Arginine/lysine polypeptideHeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.1–0.2%
N-prolyl palmitoyl tripeptide-56 acetateHeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Palmitoyl tetrapeptide-7Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.35%
Palmitoyl tripeptide-1Hero· EmollientEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.2–0.4%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.5%
Sodium lactateKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin. Is often used to adjust the pH level of the product~0.25–0.45%
SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~4.5–5.5%
Butyrospermum parkii butterKey active· Emollient, OcclusiveEffect: 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~1.8–2.1%
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~5.3–6.5%
CyanocobalaminKey activeEffect: HighCan support skin barrier function and reduce inflammation in skin~0.2–0.4%
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~3.1–3.8%
Glycine soja oilKey active· EmollientEffect: HighA good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.~0.3–0.55%
MannitolKey active· HumectantEffect: HighHelps to attract water to the upper layer of the skin~0.3–0.6%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.25–0.5%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~2–2.5%
C15-19 alkaneEffect: LowHelps soften the upper layer of the skin and create a nice product texture~0.5–0.75%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.3–0.55%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.3–0.5%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.3–0.55%

Can it cause trouble?

Irritancy
18 flagged ingredients
Medium risk
We flagged 18 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Glycolic acidAn alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acidHigh~1.2–1.5%est.
Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.4–0.65%est.
PullulanCreates a thin drying film on the skin resulting in a short-term tightening effectHigh~0.45–0.7%est.
Althaea officinalis root extractA plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammationHigh~0.25–0.5%est.
Coco-glucosideUsed as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritatingHigh~0.3–0.55%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~5.3–6.5%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~2–2.5%est.
PhosphatidylcholineUsed to enhance the delivery of other ingredientsMedium~0.95–1.2%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.55–0.8%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.5–0.7%est.
1,2-hexanediolA preservativeMedium~0.4–0.6%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~0.3–0.6%est.
Glycine soja oilA good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.Medium~0.3–0.55%est.
Lauryl glucosideHelps oil and water mix togetherMedium~0.4–0.6%est.
Caprylhydroxamic acidA preservativeMedium~0.25–0.5%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.3–0.55%est.
Ascorbyl palmitateBeing a lipid soluble form of vitamin C, it is more stable and can penetrate the skin better than L-Ascorbic acid. It is effective in protecting the skin from free radicals, as well as evening the skin tone, but is less effective in stimulating collagen production compared to L-Ascorbic acid.Medium~0.25–0.45%est.
Sodium lactateHelps attract water to the upper layer of the skin. Is often used to adjust the pH level of the productMedium~0.25–0.45%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 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
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 radicals3/5~1.8–2.1%est.
Glycine soja oilA good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.2/5~0.3–0.55%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Caprylic/capric triglyceride~5.3–6.5%
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
Squalane~4.5–5.5%
Key active
Irritation risk
Low
Works for
Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane
Glycerin~3.1–3.8%
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
Dimethyl mea~2.4–2.9%
Formula
Irritation risk
Low
More about Dimethyl mea
Pentylene glycol~2–2.5%
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
Butyrospermum parkii butter~1.8–2.1%
Key activeComedogenic 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
Sodium acrylate/sodium acryloyldimethyl taurate copolymer~1.4–1.8%
Formula
Irritation risk
Low

Used to create a thicker product consistency

More about Sodium acrylate/sodium acryloyldimethyl taurate copolymer
Glycolic acid~1.2–1.5%
Key activeIrritant · high
Irritation risk
High
Works for
Anti-agingEvens skin toneExfoliationAnti-blemish

An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid

More about Glycolic acid
Phosphatidylcholine~0.95–1.2%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to enhance the delivery of other ingredients

More about Phosphatidylcholine
Propanediol~0.7–1.1%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Silica~0.95–1.15%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Citric acid~0.55–0.8%
Irritant · medium
Irritation risk
Medium

Can work as an exfoliant but is typically used to adjust the product pH

More about Citric acid
C15-19 alkane~0.5–0.75%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product texture

More about C15-19 alkane
Benzyl alcohol~0.4–0.65%
Irritant · high
Irritation risk
High

A preservative. Can be used to mask unpleasant smell. Can be irritating

More about Benzyl alcohol
Acrylates/c10-30 alkyl acrylate crosspolymer~0.5–0.7%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Pullulan~0.45–0.7%
Irritant · high
Irritation risk
High
Works for
Mattifying

Creates a thin drying film on the skin resulting in a short-term tightening effect

More about Pullulan
1,2-hexanediol~0.4–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Mannitol~0.3–0.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to attract water to the upper layer of the skin

More about Mannitol
Hydrogenated lecithin~0.35–0.6%
Formula
Irritation risk
Low
Works for
Cleansing

Helps to retain moisture by creating a protective barrier on the skin. Rich in fatty acids. Improves product texture and helps with the penetration of other ingredients.

More about Hydrogenated lecithin
Tocopheryl acetate~0.3–0.6%
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
Synthetic fluorphlogopite~0.3–0.55%
Formula
Irritation risk
Low

A mineral that is used as an optical filter (makes the skin looks nicer through light reflection) and to improve the texture of cosmetic products

More about Synthetic fluorphlogopite
Tocopherol~0.3–0.5%
Formula
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-inflammatoryAnti-aging

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Glycine soja oil~0.3–0.55%
Key activeComedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Moisturizing

A good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.

More about Glycine soja oil
Mica~0.3–0.55%
Formula
Irritation risk
Low

Creates an illusion of smoother and more radiant skin tone. Adds shimmer to the skin by reflecting light

More about Mica
Lauryl glucoside~0.4–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Lauryl glucoside
Xanthan gum~0.3–0.55%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Althaea officinalis root extract~0.25–0.5%
Key activeIrritant · high
Irritation risk
High
Works for
MoisturizingAnti-oxidation

A plant extract that can help attract water to the upper layer of the skin and might help to reduce inflammation

More about Althaea officinalis root extract
Butylene glycol~0.25–0.5%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Caprylhydroxamic acid~0.25–0.5%
Irritant · medium
Irritation risk
Medium

A preservative

More about Caprylhydroxamic acid
Malus domestica fruit cell culture extract~0.25–0.5%
Formula
Irritation risk
Low
More about Malus domestica fruit cell culture extract
Crocus sativus flower extract~0.25–0.5%
Formula
Irritation risk
Low
More about Crocus sativus flower extract
Phenoxyethanol~0.3–0.55%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Sodium hyaluronate~0.25–0.5%
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
Tin oxide~0.4–0.6%
Formula
Irritation risk
Low

A colorant that can add a pearl-like appearance to the formulation

More about Tin oxide
Caprylyl glycol~0.3–0.55%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Ascorbyl palmitate~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Anti-agingAnti-oxidation

Being a lipid soluble form of vitamin C, it is more stable and can penetrate the skin better than L-Ascorbic acid. It is effective in protecting the skin from free radicals, as well as evening the skin tone, but is less effective in stimulating collagen production compared to L-Ascorbic acid.

More about Ascorbyl palmitate
Sodium lactate~0.25–0.45%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps attract water to the upper layer of the skin. Is often used to adjust the pH level of the product

More about Sodium lactate
Lecithin~0.3–0.55%
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
Carbomer~0.25–0.45%
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
Acetyl sh-hexapeptide-5 amide acetate~0.2–0.4%
Formula
Irritation risk
Low
More about Acetyl sh-hexapeptide-5 amide acetate
Cyanocobalamin~0.2–0.4%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatory

Can support skin barrier function and reduce inflammation in skin

More about Cyanocobalamin
Coco-glucoside~0.3–0.55%
Irritant · high
Irritation risk
High
Works for
Cleansing

Used as a cleansing agent (surfactant) in cleansers. Helps water and oil mix together in lotions. Can be irritating

More about Coco-glucoside
N-prolyl palmitoyl tripeptide-56 acetate~0.2–0.35%
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 N-prolyl palmitoyl tripeptide-56 acetate
Acetyl tetrapeptide-9~0.15–0.3%
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 Acetyl tetrapeptide-9
Palmitoyl tripeptide-1~0.2–0.4%
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-1
Palmitoyl tetrapeptide-7~0.2–0.35%
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 tetrapeptide-7
Arginine/lysine polypeptide~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 Arginine/lysine polypeptide
Titanium dioxide~0.1–0.2%
Formula
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Ingredient list view

Water, Caprylic/capric triglyceride, Squalane, Glycerin, Dimethyl mea, Pentylene glycol, Butyrospermum parkii butter, Sodium acrylate/sodium acryloyldimethyl taurate copolymer, Glycolic acid, Phosphatidylcholine, Propanediol, Silica, Citric acid, C15-19 alkane, Benzyl alcohol, Acrylates/c10-30 alkyl acrylate crosspolymer, Pullulan, 1,2-hexanediol, Mannitol, Hydrogenated lecithin, Tocopheryl acetate, Synthetic fluorphlogopite, Tocopherol, Glycine soja oil, Mica, Lauryl glucoside, Xanthan gum, Althaea officinalis root extract, Butylene glycol, Caprylhydroxamic acid, Malus domestica fruit cell culture extract, Crocus sativus flower extract, Phenoxyethanol, Sodium hyaluronate, Tin oxide, Caprylyl glycol, Ascorbyl palmitate, Sodium lactate, Lecithin, Carbomer, Acetyl sh-hexapeptide-5 amide acetate, Cyanocobalamin, Coco-glucoside, N-prolyl palmitoyl tripeptide-56 acetate, Acetyl tetrapeptide-9, Palmitoyl tripeptide-1, Palmitoyl tetrapeptide-7, Arginine/lysine polypeptide, Titanium dioxide

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Amazon USPrice as of 10/21/2026 06:18 GMT
$139.30
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Perricone MD
$199.00
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 14 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    Photoprotective and antiinflammatory effects of topical glycolic acidncbi.nlm.nih.gov
  3. 3
    Glycolic acid peel therapy – a current reviewncbi.nlm.nih.gov
  4. 4
    Dual Effects of Alpha-Hydroxy Acids on the Skinmdpi.com
  5. 5
    The influence of alkane chain length on the skin irritation potential of 1,2-alkanediolsncbi.nlm.nih.gov
  6. 6
    Vitamin E in dermatologyncbi.nlm.nih.gov
Perricone MD Neuropeptide Firming Facial Concentrate
Perricone MDNeuropeptide Firming Facial Concentrate
Buy at Perricone MD$199.00$139.30as of 10/21 06:18 GMT

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

Buy at Perricone MD$199.00$139.30as of 10/21 06:18 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.