Doctors Formula Marine Collagen Anti-Ageing Day Moisturiser

Doctors Formula Marine Collagen Anti-Ageing Day Moisturiser

Efficacy37/100IrritancyHigh
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Works for

1 of 2 advertised claims delivered

Moisturizing
Glycerin, Hydrolyzed collagen + 3 more
Good evidence
What the product description says
“Formulated with Marine Collagen amino acids to deliver intense hydration deep below the dermal level, the silky-soft day cream works to strengthen the moisture barrier and restore a natural balance.”
Source: Mankind

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, hydrolyzed collagen.

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: hydrolyzed collagen, cetyl alcohol.

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~3.7–5.6%
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~1.3–1.9%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~3.1–4.7%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~2.4–3.6%
Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.9–1.35%
Anti-aging
Aloe barbadensis leaf juice
Weak evidence
What the product description says
“Create a more youthful facial contour with Doctors Formula Marine Collagen Anti-Ageing Day Moisturiser , a nourishing formula that help to combat the common signs of ageing.”
Source: Mankind

Effective ingredients missing or their concentration is too low.

Aloe barbadensis leaf juiceEffect: Low, below effective doseTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin~0.9–1.35%

Can it cause trouble?

Irritancy
8 strong irritants: Parfum, Amyl cinnamal + 6 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
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~1–1.6%est.
Amyl cinnamal—High~0.2–0.8%est.
Benzyl salicylateA fragrance. Is a likely irritantHigh~0.15–0.6%est.
CitronellolA fragrance. Can be irritatingHigh~0.1–0.4%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.1–0.35%est.
GeraniolA fragrance. Can be irritatingHigh~0.05–0.15%est.
Hexyl cinnamalA fragrance with jasmine smell. A likely irritantHigh~0.05–0.15%est.
LinaloolA fragrance. Can be irritatingHigh~0.01–0.1%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~1.5–2.3%est.
Aloe barbadensis leaf juiceTraditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skinMedium~0.9–1.35%est.
Potassium sorbateA preservativeMedium~0.3–0.6%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
Glycerin~3.7–5.6%
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
Cetyl alcohol~3.1–4.7%
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
Glyceryl stearate~2.4–3.6%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

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

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Tocopheryl acetate~1.5–2.3%
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
Hydrolyzed collagen~1.3–1.9%
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
Parfum~1–1.6%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Aloe barbadensis leaf juice~0.9–1.35%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-inflammatoryAntibacterialReduces rednessReduces irritationAnti-agingAnti-blemish

Traditionally used to treat sunburns, dermatitis and inflammation, but evidence for its effectiveness is lacking. The extract can contain humectants that help attract water into the skin

More about Aloe barbadensis leaf juice
Globularia cordifolia callus culture extract~0.6–1.35%
Formula
Irritation risk
Low
Works for
Anti-inflammatory

An extract from plant stem cells that might help calm down inflammation in skin

More about Globularia cordifolia callus culture extract
Potassium sorbate~0.3–0.6%
Irritant · medium
Irritation risk
Medium

A preservative

More about Potassium sorbate
Sodium benzoate~0.25–0.5%
Formula
Irritation risk
Low

A preservative

More about Sodium benzoate
Amyl cinnamal~0.2–0.8%
Irritant · high
Irritation risk
High
More about Amyl cinnamal
Benzyl salicylate~0.15–0.6%
Irritant · high
Irritation risk
High

A fragrance. Is a likely irritant

More about Benzyl salicylate
Citronellol~0.1–0.4%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Citronellol
Limonene~0.1–0.35%
Irritant · high
Irritation risk
High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene
Geraniol~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Geraniol
Hexyl cinnamal~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance with jasmine smell. A likely irritant

More about Hexyl cinnamal
Linalool~0.01–0.1%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Ingredient list view

Water, Glycerin, Cetyl alcohol, Glyceryl stearate, Phenoxyethanol, Tocopheryl acetate, Hydrolyzed collagen, Parfum, Aloe barbadensis leaf juice, Globularia cordifolia callus culture extract, Potassium sorbate, Sodium benzoate, Amyl cinnamal, Benzyl salicylate, Citronellol, Limonene, Geraniol, Hexyl cinnamal, Linalool

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 2 studies and safety reviews.

  1. 1
  2. 2
Doctors Formula Marine Collagen Anti-Ageing Day Moisturiser
Doctors FormulaMarine Collagen Anti-Ageing Day Moisturiser

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