The INKEY List CA Hepta-Peptide

The INKEY List CA Hepta-Peptide

Efficacy75/100IrritancyLow

Works for

Anti-aging
Carnosine
May help
What the product description says
“Long-term, its patented peptide sequence helps reduce the look of crepey skin, fine lines and wrinkles.”
Source: The Inkey list

This product contains carnosine. This ingredient might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.

CarnosineKey activeEffect: MediumA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage~0.45–1%
Moisturizing
Polymethylsilsesquioxane, Squalane + 6 more
Works
What the product description says
“Squalane to help hydrate and protect skin”
Source: The Inkey list

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: carnosine, glycerin.

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: squalane, hydrogenated polyisobutene.

PolymethylsilsesquioxaneKey activeEffect: HighA silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss~2.1–3.2%
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.~0.55–1.25%
CarnosineKey active· HumectantEffect: HighA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage~0.45–1%
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~0.4–0.95%
Polysilicone-11Effect: LowA silicone that forms a light film on the skin surface helping to bind water and temporarily absorb oils creating a matt and powdery feel~4.4–6.6%
Hydrogenated polydecene· EmollientEffect: LowHelps to soften the upper layer of the skin and create a nice product texture~3.6–5.5%
Hydrogenated polyisobutene· Emollient, OcclusiveEffect: LowUsed to improve the product consistency and soften the upper layer of the skin~2.9–4.3%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.15–0.55%
Anti-oxidation
Side benefit · Carnosine
Works well

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

CarnosineKey activeEffect: HighA type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage~0.45–1%

Can it cause trouble?

Irritancy
9 flagged ingredients
Low risk
We flag 9 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.5–1%est.
Laureth-12Helps water and oil mix togetherMedium~1.3–2%est.
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymerA gelling agent that thickens the product consistency and leaves the skin with a velvety finishMedium~0.6–1.35%est.
EthylhexylglycerinA preservativeMedium~0.45–1.1%est.
Trisodium ethylenediamine disuccinateUsed to improve stability of the formulationMedium~0.35–0.85%est.
Polysorbate 60Helps oil and water mix togetherMedium~0.3–0.75%est.
Dehydroacetic acidA preservativeMedium~0.15–0.6%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.15–0.55%est.
Potassium sorbateA preservativeMedium~0.1–0.35%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~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Polysilicone-11~4.4–6.6%
Formula
Irritation risk
Low
Works for
MattifyingMoisturizing

A silicone that forms a light film on the skin surface helping to bind water and temporarily absorb oils creating a matt and powdery feel

More about Polysilicone-11
Hydrogenated polydecene~3.6–5.5%
Formula
Irritation risk
Low
Works for
Moisturizing

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

More about Hydrogenated polydecene
Hydrogenated polyisobutene~2.9–4.3%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to improve the product consistency and soften the upper layer of the skin

More about Hydrogenated polyisobutene
Polymethylsilsesquioxane~2.1–3.2%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss

More about Polymethylsilsesquioxane
Phenoxyethanol~0.5–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Sodium caproyl prolinate~1.5–2.3%
Formula
Irritation risk
Low
Works for
Cleansing
More about Sodium caproyl prolinate
Laureth-12~1.3–2%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Laureth-12
Benzyl alcohol~0.5–1%
Irritant · high
Irritation risk
High

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

More about Benzyl alcohol
Carbomer~0.9–1.4%
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
Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer~0.6–1.35%
Irritant · medium
Irritation risk
Medium

A gelling agent that thickens the product consistency and leaves the skin with a velvety finish

More about Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer
Squalane~0.55–1.25%
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
Ethylhexylglycerin~0.45–1.1%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Carnosine~0.45–1%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidationAnti-aging

A type of peptide. It attracts water to the upper layer of the skin. It can help neutralize free radicals in skin combatting the sun damage

More about Carnosine
Sodium hydroxide~0.4–0.9%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Glycerin~0.4–0.95%
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
Trisodium ethylenediamine disuccinate~0.35–0.85%
Irritant · medium
Irritation risk
Medium

Used to improve stability of the formulation

More about Trisodium ethylenediamine disuccinate
Polysorbate 60~0.3–0.75%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Polysorbate 60
Dehydroacetic acid~0.15–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Dehydroacetic acid
Citric acid~0.15–0.55%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Heptapeptide-7~0.15–0.5%
Formula
Irritation risk
Low
More about Heptapeptide-7
Lecithin~0.15–0.55%
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
Potassium sorbate~0.1–0.35%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Propanediol~0.1–0.4%
Formula
Irritation risk
Low

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

More about Propanediol
Sodium benzoate~0.05–0.3%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Xanthan gum~0.05–0.25%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Sorbitan isostearate~0.05–0.2%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix together

More about Sorbitan isostearate
Ingredient list view

Water, Polysilicone-11, Hydrogenated polydecene, Hydrogenated polyisobutene, Polymethylsilsesquioxane, Phenoxyethanol, Sodium caproyl prolinate, Laureth-12, Benzyl alcohol, Carbomer, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Squalane, Ethylhexylglycerin, Carnosine, Sodium hydroxide, Glycerin, Trisodium ethylenediamine disuccinate, Polysorbate 60, Dehydroacetic acid, Citric acid, Heptapeptide-7, Lecithin, Potassium sorbate, Propanediol, Sodium benzoate, Xanthan gum, Sorbitan isostearate

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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
The INKEY List CAHepta-PeptideYOUR PRODUCTNakeryCollagen Wrinkle Plumping Serum-in-CreamCovey SkinSleep Tight Bakuchiol SerumPeter Thomas RothFirm X Collagen Serum
Match—34%34%34%
Price———$69.30
Shared key ingredients—3 of 53 of 53 of 5
Key difference—NiacinamideN-Prolyl Palmitoyl Tripeptide-56 AcetateAcetyl Tetrapeptide-2
Irritancy Low Low Low Low
Drying alcohol————
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The INKEY List CA Hepta-Peptide
The INKEY List CAHepta-Peptide

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