La Roche-Posay Redermic C Pure Vitamin C Rich

La Roche-Posay Redermic C Pure Vitamin C Rich

Efficacy75/100IrritancyMedium

Works for

Moisturizing
Paraffinum liquidum, Madecassoside + 15 more
Works well
What the product description says
“It is formulated to fight against deep wrinkles, loss of firmness and lack of radiance in the complexion.”
Source: Cocoon Center

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 hyaluronic acid.

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, cera microcristallina.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: acetyl dipeptide-1 cetyl ester, madecassoside, paraffinum liquidum

Paraffinum liquidumHero· Emollient, OcclusiveEffect: HighMineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function~1.3–1.6%
MadecassosideHeroEffect: HighAn antioxidant that is typically derived from plant Centella Asiatica. It can help neutralize free radicals in skin and support skin barrier function. It could, however, itself be irritating. It is often unstable in formulations~0.3–0.55%
Acetyl dipeptide-1 cetyl esterHeroEffect: HighA type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles~0.15–0.3%
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~4.9–6%
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~4.2–5.1%
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~3.2–3.9%
Limnanthes alba seed oilKey active· EmollientEffect: HighThis oil's cmposition is closest to rapeseed oil. It is a very stable oil and serves as an emoillient~2.4–2.9%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.8–1.2%
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~0.5–0.7%
Cera microcristallinaKey active· Emollient, OcclusiveEffect: HighHelps to soften the upper layer of the skin, reduce water loss from its surface and create a thicker product consistency~0.5–0.7%
DimethiconolKey active· Emollient, OcclusiveEffect: HighA silicone that makes products more spreadable and keeps skin smooth. Helps to add gloss to skin and may visually fill in fine lines/wrinkles for short time~0.3–0.55%
Hydrolyzed hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.2–0.4%
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~1.4–1.8%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.5–0.8%
Paraffin· OcclusiveEffect: LowPrevents water loss from the skin surface and thickens the product consistency~0.35–0.65%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.25–0.45%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~0.2–0.4%
Anti-aging
Madecassoside, Acetyl dipeptide-1 cetyl ester + 3 more
May help
What the product description says
“It is formulated to fight against deep wrinkles, loss of firmness and lack of radiance in the complexion.”
Source: Cocoon Center

This product contains acetyl dipeptide-1 cetyl ester, madecassoside. These ingredients 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.

MadecassosideKey activeEffect: MediumAn antioxidant that is typically derived from plant Centella Asiatica. It can help neutralize free radicals in skin and support skin barrier function. It could, however, itself be irritating. It is often unstable in formulations~0.3–0.55%
Acetyl dipeptide-1 cetyl esterKey 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%
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~3.2–3.9%
Limnanthes alba seed oilEffect: LowThis oil's cmposition is closest to rapeseed oil. It is a very stable oil and serves as an emoillient~2.4–2.9%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~2–2.4%
Evens skin tone
Madecassoside, Ascorbic acid
Not delivered
What the product description says
“Vitamin C inhibits the production of melanin produced in the melanocytes of the epidermis to reduce the appearance of dark spots,smooth and plump the skin thanks to the fragmented hyaluronic acid present in the formula,illuminate the complexion the complexion is radiant thanks to mannose, a regenerating sugar to optimize the interaction of light with the skin,repair and soothe, thanks to the repairing madecassoside and neurosensin (soothing peptide).Its plumping texture is fresh and light, leaving a velvety finish and a non-greasy feel.Non-comedogenic. Tested on sensitive skin.”
Source: Cocoon Center

This product contains ingredients (madecassoside) that could help reduce hyperpigmentation (for example, post-acne marks or age spots) in theory, but there is not enough evidence that they actually work.

MadecassosideEffect: LowAn antioxidant that is typically derived from plant Centella Asiatica. It can help neutralize free radicals in skin and support skin barrier function. It could, however, itself be irritating. It is often unstable in formulations~0.3–0.55%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~2–2.4%
Anti-oxidation
Side benefit · Madecassoside, Butyrospermum parkii butter + 2 more
Works well

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

MadecassosideKey activeEffect: HighAn antioxidant that is typically derived from plant Centella Asiatica. It can help neutralize free radicals in skin and support skin barrier function. It could, however, itself be irritating. It is often unstable in formulations~0.3–0.55%
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~3.2–3.9%
Limnanthes alba seed oilEffect: LowThis oil's cmposition is closest to rapeseed oil. It is a very stable oil and serves as an emoillient~2.4–2.9%
Ascorbic acidUnder-dosedThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging~2–2.4%

Can it cause trouble?

Irritancy
1 strong irritant: Parfum
Medium risk
We flagged 8 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Ascorbic acidThe most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of agingHigh~2–2.4%est.
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~0.2–0.4%est.
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.1%est.
Potassium hydroxideUsed to adjust the pH level of productsMedium~0.6–0.9%est.
MadecassosideAn antioxidant that is typically derived from plant Centella Asiatica. It can help neutralize free radicals in skin and support skin barrier function. It could, however, itself be irritating. It is often unstable in formulationsMedium~0.3–0.55%est.
Disodium edtaStabilizes the product formulationMedium~0.2–0.4%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.25–0.45%est.
Citric acidCan work as an exfoliant but is typically used to adjust the product pHMedium~0.15–0.3%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
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 radicals3/5~3.2–3.9%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
Glycerin~4.9–6%
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
Dimethicone~4.2–5.1%
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
Butyrospermum parkii butter~3.2–3.9%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-aging

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
Limnanthes alba seed oil~2.4–2.9%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-agingAnti-oxidation

This oil's cmposition is closest to rapeseed oil. It is a very stable oil and serves as an emoillient

More about Limnanthes alba seed oil
Meadowfoam seed oil
Not recognized
Ascorbic acid~2–2.4%
Under-dosedIrritant · high
Irritation risk
High
Works for
Anti-agingEvens skin toneAnti-oxidation

The most well-researched antioxidant that works in skin. Helps neutralize free radicals supporting collagen production, helping to even out the skin tone and preventing early signs of aging

More about Ascorbic acid
Mannose~1.6–2%
Formula
Irritation risk
Low
More about Mannose
Butylene glycol~1.4–1.8%
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
Paraffinum liquidum~1.3–1.6%
Hero · Moisturizing
Irritation risk
Low
Works for
Moisturizing

Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function

More about Paraffinum liquidum
Ammonium polyacryloyldimethyl taurate~0.95–1.2%
Formula
Irritation risk
Low

Used to create a thicker product consistency

More about Ammonium polyacryloyldimethyl taurate
Cetyl alcohol~0.8–1.2%
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
Potassium hydroxide~0.6–0.9%
Irritant · medium
Irritation risk
Medium

Used to adjust the pH level of products

More about Potassium hydroxide
Peg-100 stearate~0.6–0.9%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix togehter and creates a nice product texture

More about Peg-100 stearate
Glyceryl stearate~0.5–0.8%
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
Polymethylsilsesquioxane~0.5–0.7%
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
Paraffin~0.35–0.65%
Formula
Irritation risk
Low
Works for
Moisturizing

Prevents water loss from the skin surface and thickens the product consistency

More about Paraffin
Cera microcristallina~0.5–0.7%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin, reduce water loss from its surface and create a thicker product consistency

More about Cera microcristallina
Microcrystalline wax~0.4–0.6%
Formula
Irritation risk
Low

Used to create a thicker product consistency

More about Microcrystalline wax
Madecassoside~0.3–0.55%
Hero · MoisturizingIrritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidationAnti-agingEvens skin tone

An antioxidant that is typically derived from plant Centella Asiatica. It can help neutralize free radicals in skin and support skin barrier function. It could, however, itself be irritating. It is often unstable in formulations

More about Madecassoside
Dimethicone/vinyl dimethicone crosspolymer~0.3–0.5%
Formula
Irritation risk
Low

Used to stabilize product formulations and create a nice product texture

More about Dimethicone/vinyl dimethicone crosspolymer
Dimethiconol~0.3–0.55%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that makes products more spreadable and keeps skin smooth. Helps to add gloss to skin and may visually fill in fine lines/wrinkles for short time

More about Dimethiconol
Disodium edta~0.2–0.4%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Propylene glycol~0.2–0.4%
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
Hydrolyzed hyaluronic acid~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin

More about Hydrolyzed hyaluronic acid
Caprylyl glycol~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Citric acid~0.15–0.3%
Irritant · medium
Irritation risk
Medium

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

More about Citric acid
Acetyl dipeptide-1 cetyl ester~0.15–0.3%
Hero · Moisturizing
Irritation risk
Low
Works for
Reduces irritationMoisturizingAnti-inflammatoryAnti-aging

A type of peptide. Peptides are excellent moisturizers and might be able support collagen production reducing fine lines and wrinkles

More about Acetyl dipeptide-1 cetyl ester
Xanthan gum~0.15–0.25%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate~0.15–0.25%
Formula
Irritation risk
Low

Used to increase stability of product formulations

More about Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate
Phenoxyethanol~0.1–0.2%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Parfum~0.05–0.1%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Ingredient list view

Water, Glycerin, Dimethicone, Butyrospermum parkii butter, Limnanthes alba seed oil, Unknown, Ascorbic acid, Mannose, Butylene glycol, Paraffinum liquidum, Ammonium polyacryloyldimethyl taurate, Cetyl alcohol, Potassium hydroxide, Peg-100 stearate, Glyceryl stearate, Polymethylsilsesquioxane, Paraffin, Cera microcristallina, Microcrystalline wax, Madecassoside, Dimethicone/vinyl dimethicone crosspolymer, Dimethiconol, Disodium edta, Propylene glycol, Hydrolyzed hyaluronic acid, Caprylyl glycol, Citric acid, Acetyl dipeptide-1 cetyl ester, Xanthan gum, Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, 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
La Roche-PosayRedermic C Pure Vitamin C RichYOUR PRODUCTL'Oréal ParisMen Expert Hydra Energetic Vitamin C Shot SerumTIA'MVitamin C24 Surprise SerumAlpha-HVitamin C Paste
Match—71%67%67%
Price—$11.77$15.82$33.78
Shared key ingredients—5 of 123 of 124 of 12
Key difference—AdenosineFerulic AcidPanthenol
Irritancy Medium Medium Low Low
Drying alcohol— Contains drying alcohol ——
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Product summary

"La Roche-Posay - Redermic C Pure Vitamin C Rich" is effective for: Moisturizing

This product could be helpful for: Anti-aging, but its actives are not the most effective or are not well-studied.

Ingredient callouts

  • This product also contains Vitamin C (Ascorbic Acid). It can be an effective active for anti-aging and evening out the skin tone, but in this product it is used for stabilizing other ingredients in the formulation. In this concentration (2.00% - 2.40%) it cannot have a noticeable benefit for the skin.
  • Peptides (acetyl dipeptide-1 cetyl ester 0.15% - 0.30%). Peptides are a very big group of ingredients. They all consist of a different combination of aminoacids. Our skin produces Peptides naturally. Some of them work as natural antibiotics, promote wound-healing and production of collagen. The scientists are still studying how effective the topical application of Peptides is, but it is very likely that theynare helpful. Peptides might be able to support skin barrier restoration and even have an anti-aging benefit. At the very least, they certainly help attract water to the skin and support the hydration in this way.
  • Actives derived from an extract of the Centella Asiatica plant (also known as Gotu Kola) - madecassoside 0.30% - 0.55% The Centella Asiatica Actives, even in low concentration, can help reduce inflammation in skin, strengthen the skin barrier and reduce photodamage. They can also help to decrease scarring.
  • Humectants (hydrolyzed hyaluronic acid 0.20% - 0.40% and glycerin 4.90% - 6.00%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails for 28.40£ 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 18 studies and safety reviews.

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La Roche-Posay Redermic C Pure Vitamin C Rich
La Roche-PosayRedermic C Pure Vitamin C Rich

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