Biocyte Keratine Forte Mask

Biocyte Keratine Forte Mask

Efficacy0/100IrritancyHigh

Works for

Anti-aging
Lactic acid ~0.9–1.35%, below the ~2% it needs
Under-dosed
What the product description says
“Discover the Biocyte brand Identifying the main mechanisms of aging, the Biocyte Laboratory proposes through its products varied and adapted answers.”
Source: Cocoon Center

Effective ingredients missing or their concentration is too low.

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)~0.9–1.35%
Moisturizing
Side benefit · Cetearyl alcohol, Coco-caprylate/caprate + 2 more
Works

This product contains good ingredients to attract water to the upper layer of the skin. These ingredients are called "humectants": glycerin.

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. If the air is dry, humectants can speed up the moisture loss from the skin. This is why it is a good idea to use another product on top of this one to help "seal in" the moisture (look for ingredients like dimethicone, squalane, oils and butters).

Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~5.8–8.7%
Coco-caprylate/caprateKey active· EmollientEffect: MediumHelps to soften the upper layer of the skin without creating a greasy texture~3.7–5.5%
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~2.7–4.1%
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)~0.9–1.35%

Can it cause trouble?

Irritancy
6 strong irritants: Benzyl salicylate, Coumarin + 4 more — patch-test recommended
High risk
We flagged 11 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Benzyl salicylateA fragrance. Is a likely irritantHigh~0.4–0.95%est.
CoumarinA fragrance. Is a likely skin allergen and can be irritatingHigh~0.3–0.7%est.
Alpha-isomethyl iononeA fragrance. Potential allergen and can be irritatingHigh~0.15–0.6%est.
Hexyl cinnamalA fragrance with jasmine smell. A likely irritantHigh~0.1–0.45%est.
CitronellolA fragrance. Can be irritatingHigh~0.05–0.25%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.2%est.
Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.05–0.15%est.
Behentrimonium methosulfateHelps oil and water mix togetherMedium~2.1–3.1%est.
Dehydroacetic acidA preservativeMedium~0.3–0.6%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~0.9–1.35%est.
Potassium hydroxideUsed to adjust the pH level of productsMedium~0.55–1.25%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 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
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~5.8–8.7%est.

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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
Cetearyl alcohol~5.8–8.7%
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
Coco-caprylate/caprate~3.7–5.5%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin without creating a greasy texture

More about Coco-caprylate/caprate
Glycerin~2.7–4.1%
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
Behentrimonium methosulfate~2.1–3.1%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Behentrimonium methosulfate
Hydrolyzed keratin~1.7–2.5%
Formula
Dehydroacetic acid~0.3–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Dehydroacetic acid
Hydroxypropyl guar hydroxypropyltrimonium chloride~1.1–1.7%
Formula
Irritation risk
Low

Helps reduce the irritating effect of surfactants

More about Hydroxypropyl guar hydroxypropyltrimonium chloride
Lactic acid~0.9–1.35%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
MoisturizingExfoliationEvens skin toneAnti-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
Potassium hydroxide~0.55–1.25%
Irritant · medium
Irritation risk
Medium

Used to adjust the pH level of products

More about Potassium hydroxide
Benzyl salicylate~0.4–0.95%
Irritant · high
Irritation risk
High

A fragrance. Is a likely irritant

More about Benzyl salicylate
Coumarin~0.3–0.7%
Irritant · high
Irritation risk
High

A fragrance. Is a likely skin allergen and can be irritating

More about Coumarin
Alpha-isomethyl ionone~0.15–0.6%
Irritant · high
Irritation risk
High

A fragrance. Potential allergen and can be irritating

More about Alpha-isomethyl ionone
Hexyl cinnamal~0.1–0.45%
Irritant · high
Irritation risk
High

A fragrance with jasmine smell. A likely irritant

More about Hexyl cinnamal
Citronellol~0.05–0.25%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Parfum~0.05–0.2%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Benzyl alcohol~0.05–0.15%
Irritant · high
Irritation risk
High

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

More about Benzyl alcohol
Ingredient list view

Water, Cetearyl alcohol, Coco-caprylate/caprate, Glycerin, Behentrimonium methosulfate, Hydrolyzed keratin, Dehydroacetic acid, Hydroxypropyl guar hydroxypropyltrimonium chloride, Lactic acid, Potassium hydroxide, Benzyl salicylate, Coumarin, Alpha-isomethyl ionone, Hexyl cinnamal, Citronellol, Parfum, Benzyl alcohol

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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
BiocyteKeratine Forte MaskYOUR PRODUCTBIHAKU JOSHIWhite MaskDr Dennis GrossVitamin C Lactic Biocellulose Brightening Treatment MaskNassifMD DermaceuticalsOvernight Illuminating Masque with Elasta-Derm C
Match—66%66%64%
Price—$12.70$20.23$52.00
Shared key ingredients—1 of 22 of 22 of 2
Key difference—Ascorbyl GlucosideNiacinamidePotassium Azeloyl Diglycinate
Irritancy High Medium High Medium
Drying alcohol————
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Product summary

"Biocyte - Keratine Forte Mask" could be helpful for: Moisturizing, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • This product contains acids (lactic acid 0.90% - 1.35%). 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.
  • Humectants (glycerin 2.70% - 4.10%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails for 97.89$ in the United States and for 18.30£ 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 5 studies and safety reviews.

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Biocyte Keratine Forte Mask
BiocyteKeratine Forte Mask

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