Secret Key

Secret Key Hyaluron Aqua Soft Cream

Name: Secret Key - Hyaluron Aqua Soft Cream
Brand: Secret Key

Efficacy100/100IrritancyMedium

See all ingredients

Works for

Anti-aging

Niacinamide, Adenosine + 3 more

Works well

What the product description says

“Contains Niacinamide and Adenosine to help improve skin tone and reduce fine lines.”

Source: Yesstyle

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

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~3.1–3.8%

AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.5–0.75%

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~0.3–0.55%

Sodium ascorbyl phosphateEffect: Low, below effective doseA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C~0.3–0.55%

Lactic acidUnder-dosedAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)~0.3–0.55%

Moisturizing

Niacinamide, Glycerin + 16 more

Works well

What the product description says

“This cream moisturizes the skin and helps strengthen the skin barrier to prevent moisture loss.”

Source: Yesstyle

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, glyceryl acrylate/acrylic acid copolymer.

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: dimethicone, hydrolyzed collagen.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide

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~3.1–3.8%

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~4–4.9%

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~2.4–2.9%

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~1.7–2.1%

Glyceryl acrylate/acrylic acid copolymerKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency~0.6–0.9%

Hydrolyzed collagenKey active· Humectant, EmollientEffect: HighA typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin~0.5–0.7%

AdenosineKey activeEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.5–0.75%

Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.4–0.6%

Calcium pantothenateKey activeEffect: HighHelps support skin barrier function improving skin hydration and reducing sensitivity~0.35–0.6%

Tartaric acidKey activeEffect: MediumAn AHA (alpha-hydroxy acid). It oxidizes quickly which makes it less effective in skincare formulations. It can support skin's barrier and moisture levels~0.3–0.55%

Saccharum officinarum extractKey activeEffect: HighSugar extract that helps attract water to the upper layer of the skin~0.25–0.5%

Vitis vinifera fruit extractKey activeEffect: MediumA plant extract that helps attract water to the upper layer of the skin. It might be helpful in neutralizing free radicals in skin, but is less potent than the extract from the seeds~0.25–0.5%

Cyclohexasiloxane· EmollientEffect: LowA silicone that serves as an emollient. Helps create a nice non-greasy feels~1.5–1.8%

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~0.5–0.75%

Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~0.35–0.6%

PetrolatumUnder-dosedOne of the most effective and the most studied occlusive ingredients that creates a protective layer on top of the skin preventing moisture loss~0.75–1.15%

Pyrus malus fruit extractUnder-dosedCan have some moisturizing properties due to its sugar content~0.25–0.45%

Evens skin tone

Niacinamide, Glycolic acid + 1 more

Works well

What the product description says

“Contains Niacinamide and Adenosine to help improve skin tone and reduce fine lines.”

Source: Yesstyle

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

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.

Anti-blemish

Not advertised by the brand · Niacinamide, Glycolic acid + 1 more

Works well

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

The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: glycolic acid

Glycolic acidKey activeEffect: MediumAn 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~0.3–0.55%

Sodium ascorbyl phosphateUnder-dosedA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C~0.3–0.55%

Exfoliation

Not advertised by the brand · Glycolic acid, Tartaric acid + 1 more

Works well

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.

Anti-oxidation

Not advertised by the brand · Tartaric acid, Adenosine + 6 more

May help

This product contains antioxidants (tartaric acid) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

AdenosineEffect: LowMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.5–0.75%

Pyridoxine hclEffect: LowMight help neutralize free radicals in skin~0.3–0.55%

Vaccinium myrtillus fruit extractEffect: LowA plant extract that might help neutralize free radicals in skin, but research on its efficacy in skin is lacking~0.25–0.45%

Vitis vinifera fruit extractEffect: LowA plant extract that helps attract water to the upper layer of the skin. It might be helpful in neutralizing free radicals in skin, but is less potent than the extract from the seeds~0.25–0.5%

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.~0.3–0.6%

Pyrus malus fruit extractEffect: Low, below effective doseCan have some moisturizing properties due to its sugar content~0.25–0.45%

Can it cause trouble?

Irritancy

2 strong irritants: Citrus limon fruit extract, Parfum

Medium risk

We flagged 19 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~0.35–0.6%est.

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~0.3–0.55%est.

Citrus limon fruit extractUsed as a fragrance. Can be irritating and cause photosensitivityHigh~0.2–0.4%est.

ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.15%est.

MethylpropanediolHelps dissolve other ingredients in a formulationMedium~5.8–7.1%est.

Glyceryl acrylate/acrylic acid copolymerHelps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistencyMedium~0.6–0.9%est.

Disodium edtaStabilizes the product formulationMedium~0.5–0.75%est.

T-butyl alcoholUsed to dissolve other ingredients and to improve smell of products. It could be irritatingMedium~0.45–0.7%est.

Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.3–0.55%est.

Lactic acidAn exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)Medium~0.3–0.55%est.

Sodium ascorbyl phosphateA stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin CMedium~0.3–0.55%est.

Pyridoxine hclMight help neutralize free radicals in skinMedium~0.3–0.55%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.

Tartaric acidAn AHA (alpha-hydroxy acid). It oxidizes quickly which makes it less effective in skincare formulations. It can support skin's barrier and moisture levelsMedium~0.3–0.55%est.

Vitis vinifera fruit extractA plant extract that helps attract water to the upper layer of the skin. It might be helpful in neutralizing free radicals in skin, but is less potent than the extract from the seedsMedium~0.25–0.5%est.

Pyrus malus fruit extractCan have some moisturizing properties due to its sugar contentMedium~0.25–0.45%est.

Vaccinium myrtillus fruit extractA plant extract that might help neutralize free radicals in skin, but research on its efficacy in skin is lackingMedium~0.25–0.45%est.

1,2-hexanediolA preservativeMedium~0.15–0.25%est.

ChlorphenesinA preservativeMedium~0.15–0.25%est.

Comedogenic

Clean of flagged comedogenic ingredients

None flagged

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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

Methylpropanediol~5.8–7.1%

Irritant · medium

Irritation risk: Medium

Helps dissolve other ingredients in a formulation

More about Methylpropanediol

Glycerin~4–4.9%

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

Niacinamide~3.1–3.8%

Hero · Moisturizing, Anti-blemish

Irritation risk: Low

Works for

Anti-blemishEvens skin toneAnti-agingMoisturizingReduces irritationAnti-inflammatoryReduces rednessAntibacterial

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

Cyclopentasiloxane~2.4–2.9%

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

Polysorbate 80~2–2.4%

Formula

Irritation risk: Low

Works for

Cleansing

Helps water and oil mix together

More about Polysorbate 80

Dimethicone~1.7–2.1%

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

Cyclohexasiloxane~1.5–1.8%

Formula

Irritation risk: Low

Works for

Moisturizing

A silicone that serves as an emollient. Helps create a nice non-greasy feels

More about Cyclohexasiloxane

Tromethamine~1.2–1.4%

Formula

Irritation risk: Low

Helps adjust pH in products

More about Tromethamine

Sorbitan olivate~0.95–1.15%

Formula

Irritation risk: Low

Works for

Cleansing

Helps oil and water mix together

More about Sorbitan olivate

Petrolatum~0.75–1.15%

Under-dosed

Irritation risk: Low

Works for

Moisturizing

One of the most effective and the most studied occlusive ingredients that creates a protective layer on top of the skin preventing moisture loss

More about Petrolatum

Glyceryl acrylate/acrylic acid copolymer~0.6–0.9%

Key activeIrritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps attract water to the upper layer of the skin and provide a longer-lasting hydration. Can create a thicker product consistency

More about Glyceryl acrylate/acrylic acid copolymer

Dimethicone/vinyl dimethicone crosspolymer~0.55–0.85%

Formula

Irritation risk: Low

Used to stabilize product formulations and create a nice product texture

More about Dimethicone/vinyl dimethicone crosspolymer

Adenosine~0.5–0.75%

Key active

Irritation risk: Low

Works for

Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine

Disodium edta~0.5–0.75%

Irritant · medium

Irritation risk: Medium

Stabilizes the product formulation

More about Disodium edta

Butylene glycol~0.5–0.75%

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

T-butyl alcohol~0.45–0.7%

Irritant · medium

Irritation risk: Medium

Used to dissolve other ingredients and to improve smell of products. It could be irritating

More about T-butyl alcohol

Hydrolyzed collagen~0.5–0.7%

Key active

Irritation risk: Low

Works for

Moisturizing

A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin

More about Hydrolyzed collagen

Sodium hyaluronate~0.4–0.6%

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

Propylene glycol~0.35–0.6%

Irritant · high

Irritation risk: High

Works for

Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol

Calcium pantothenate~0.35–0.6%

Key active

Irritation risk: Low

Works for

Reduces irritationMoisturizing

Helps support skin barrier function improving skin hydration and reducing sensitivity

More about Calcium pantothenate

Sodium starch octenylsuccinate~0.3–0.6%

Formula

Irritation risk: Low

More about Sodium starch octenylsuccinate

Maltodextrin~0.3–0.6%

Formula

Irritation risk: Low

Works for

Mattifying

Used to stabilize the product formulation and can help absorb oil

More about Maltodextrin

Citric acid~0.3–0.55%

Irritant · medium

Irritation risk: Medium

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

More about Citric acid

Lactic acid~0.3–0.55%

Under-dosedIrritant · medium

Irritation risk: Medium

Works for

Evens skin toneMoisturizingExfoliationAnti-aging

An exfoliating and moisturizing alpha-hydroxy acid (AHA). Typically causes less irritation than other AHAs, for example, glycolic acid. At high concentrations (about 15%), lactic acid can help reduce lines and wrinkles. Recent studies show that lactic acid can support the "good" bacteria living on skin's surface (healthy skin microbiome)

More about Lactic acid

Glycolic acid~0.3–0.55%

Key activeIrritant · high

Irritation risk: High

Works for

ExfoliationEvens skin toneAnti-agingAnti-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

Sodium ascorbyl phosphate~0.3–0.55%

Under-dosedIrritant · medium

Irritation risk: Medium

Works for

Anti-blemishAnti-oxidationAnti-aging

A stable derivative of vitamin C. It is oil-soluble which means it is more likely to penetrate the skin compared to the pure form of vitamin C (which is water-soluble), but it is less bio-available and is way less effective in stimulating collagen and reducing wrinkles compared to the pure form of vitamin C (L-ascorbic acid) and its other derivatives (for example, magnesium ascorbyl phosphate). At the same time, this vitamin C derivative has been shown in studies to be effective in reducing acne, blemishes and clogged pores. It is less irritating then the pure form of vitamin C

More about Sodium ascorbyl phosphate

Pyridoxine hcl~0.3–0.55%

Irritant · medium

Irritation risk: Medium

Works for

Anti-oxidation

Might help neutralize free radicals in skin

More about Pyridoxine hcl

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

Tartaric acid~0.3–0.55%

Key activeIrritant · medium

Irritation risk: Medium

Works for

ExfoliationAnti-oxidationMoisturizing

An AHA (alpha-hydroxy acid). It oxidizes quickly which makes it less effective in skincare formulations. It can support skin's barrier and moisture levels

More about Tartaric acid

Malic acid~0.3–0.55%

Formula

Irritation risk: Low

Helps adjust the product pH

More about Malic acid

Vitis vinifera fruit extract~0.25–0.5%

Key activeIrritant · medium

Irritation risk: Medium

Works for

MoisturizingAnti-oxidation

A plant extract that helps attract water to the upper layer of the skin. It might be helpful in neutralizing free radicals in skin, but is less potent than the extract from the seeds

More about Vitis vinifera fruit extract

Saccharum officinarum extract~0.25–0.5%

Key active

Irritation risk: Low

Works for

Moisturizing

Sugar extract that helps attract water to the upper layer of the skin

More about Saccharum officinarum extract

Pyrus malus fruit extract~0.25–0.45%

Under-dosedIrritant · medium

Irritation risk: Medium

Works for

MoisturizingAnti-oxidation

Can have some moisturizing properties due to its sugar content

More about Pyrus malus fruit extract

Vaccinium myrtillus fruit extract~0.25–0.45%

Irritant · medium

Irritation risk: Medium

Works for

Anti-oxidation

A plant extract that might help neutralize free radicals in skin, but research on its efficacy in skin is lacking

More about Vaccinium myrtillus fruit extract

Citrus limon fruit extract~0.2–0.4%

Irritant · high

Irritation risk: High

Used as a fragrance. Can be irritating and cause photosensitivity

More about Citrus limon fruit extract

Silica~0.3–0.6%

Formula

Irritation risk: Low

Used to absorb oil and can temporarily mattify skin

More about Silica

Ammonium acryloyldimethyltaurate/vp copolymer~0.15–0.3%

Formula

Irritation risk: Low

Increases thickness of a product. Texture enhancer for oil-in-water emulsions

More about Ammonium acryloyldimethyltaurate/vp copolymer

Carbomer~0.15–0.25%

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

1,2-hexanediol~0.15–0.25%

Irritant · medium

Irritation risk: Medium

A preservative

More about 1,2-hexanediol

Chlorphenesin~0.15–0.25%

Irritant · medium

Irritation risk: Medium

A preservative

More about Chlorphenesin

Phenoxyethanol~0.15–0.25%

Formula

Irritation risk: Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol

Parfum~0.05–0.15%

Irritant · high

Irritation risk: High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum

Ingredient list view

Water, Methylpropanediol, Glycerin, Niacinamide, Cyclopentasiloxane, Polysorbate 80, Dimethicone, Cyclohexasiloxane, Tromethamine, Sorbitan olivate, Petrolatum, Glyceryl acrylate/acrylic acid copolymer, Dimethicone/vinyl dimethicone crosspolymer, Adenosine, Disodium edta, Butylene glycol, T-butyl alcohol, Hydrolyzed collagen, Sodium hyaluronate, Propylene glycol, Calcium pantothenate, Sodium starch octenylsuccinate, Maltodextrin, Citric acid, Lactic acid, Glycolic acid, Sodium ascorbyl phosphate, Pyridoxine hcl, Tocopheryl acetate, Tartaric acid, Malic acid, Vitis vinifera fruit extract, Saccharum officinarum extract, Pyrus malus fruit extract, Vaccinium myrtillus fruit extract, Citrus limon fruit extract, Silica, Ammonium acryloyldimethyltaurate/vp copolymer, Carbomer, 1,2-hexanediol, Chlorphenesin, Phenoxyethanol, Parfum

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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
	Secret KeyHyaluron Aqua Soft CreamYOUR PRODUCT	Dr.Reju-AllAdvanced PDRN Rejuvenating Cream 20g	MedicubeAGE-R PDRN Booster Gel	ALIVE:LABMulti Ice Cream
Match	—	74%	74%	73%
Price	—	$27.32	$20.48	$55.57
Shared key ingredients	—	6 of 14	5 of 14	6 of 14
Key difference	—	Panthenol	Ceramide Np	Pitera
Irritancy	Medium	Low	Medium	Medium
Drying alcohol	—	—	—	—
	View product	Shop	Shop	Shop

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Product summary

"Secret Key - Hyaluron Aqua Soft Cream" has a good moisturizing formula. To work well, any moisturizer needs to include a combination of water-binding and emollient ingredients. Secret Key - Hyaluron Aqua Soft Cream ticks this box. Glycerin, glyceryl acrylate/acrylic acid copolymer, hydrolyzed collagen, sodium hyaluronate and butylene glycol in this product (humectants) attract water molecules to the upper layer of the skin (the water comes from the outside air or from the deeper layers of the skin if the air is dry). Emollients in this formulation (hydrolyzed collagen, dimethicone, cyclopentasiloxane and cyclohexasiloxane) 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

We particularly like that there is a good concentration of Niacinamide (3.10% - 3.80%) in this moisturizer. Niacinamide is a well-studied multi-tasking active. It is a great ingredient to have in a moisturizer. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and help improve the skin tone, reducing pigmentation marks.
This product contains acids (lactic acid 0.30% - 0.55% and glycolic acid 0.30% - 0.55%). Their concentration is low, and they will not have a strong exfoliating effect. Instead, they work to support the skin natural acid mantle and to attract water (as humectants). Lactic acid is particularly good in attracting water to the upper layer of the skin and improving the skin barrier.
Adenosine 0.50% - 0.75%. It is a compound that in involved in many biological processes inside the skin cells. According one high-quality clinical trial, topical Adenosine in low concentrations can somewhat help improve "deep wrinkles" - the wrinkles that appear with age in places where our faces are most dynamic (for example, on the forehead or in the corners of the eyes).

This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: sodium ascorbyl phosphate, lactic acid and petrolatum

Irritation risk

This formulation includes some common irritants, including ingredients that do not provide a benefit for the skin. We assess the overall irritancy of this moisturizer to be medium. 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.