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Kiehl's
Powerful Strength Vitamin C Serum

Versus

La Roche-Posay
10% Pure Vitamin C Serum

Product category and function

Powerful Strength Vitamin C Serum

10% Pure Vitamin C Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
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Ingredient highlights

Powerful Strength Vitamin C Serum

10% Pure Vitamin C Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

Powerful Strength Vitamin C Serum

10% Pure Vitamin C Serum

No. of common ingredients = 0
Propylene glycol, dimethicone, glycerin, ascorbic acid, ethylhexyl palmitate, cetyl peg/ppg-10/1 dimethicone, dimethicone crosspolymer, ascorbyl glucoside, cyclohexasiloxane, hydroxyethylpiperazine ethane sulfonic acid, lauroyl lysine, acrylonitrile/methyl methacrylate/vinylidene chloride copolymer, polysilicone-11, adenosine, hydrolyzed hyaluronic acid, limonene, isobutane, citrus aurantium dulcis (orange) peel oil, citrus limon peel oil (lemon peel oil), citral, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate 8	Aqua/water/eau, ascorbic acid, cyclohexasiloxane, glycerin, alcohol denat., potassium hydroxide, polymethylsilsesquioxane, polysilicone-11, dimethicone, propylene glycol, pentaerythrityl tetraethylhexanoate, c13-14 isoparaffin, tocopherol, sodium hyaluronate, hydrolyzed hyaluronic acid, adenosine, acetyl dipeptide-1 cetyl ester, peg-20 methyl glucose sesquistearate, poloxamer 338, salicylic acid, polyacrylamide, toluene sulfonic acid, ammonium polyacryloyldimethyl taurate, xanthan gum, caprylyl glycol, disodium edta, bht, laureth-7, parfum/fragrance.

No. of common ingredients = 0

Total Number of ingredients = 21

Total Number of ingredients = 29

Propylene glycol, dimethicone, glycerin, ascorbic acid, ethylhexyl palmitate, cetyl peg/ppg-10/1 dimethicone, dimethicone crosspolymer, ascorbyl glucoside, cyclohexasiloxane, hydroxyethylpiperazine ethane sulfonic acid, lauroyl lysine, acrylonitrile/methyl methacrylate/vinylidene chloride copolymer, polysilicone-11, adenosine, hydrolyzed hyaluronic acid, limonene, isobutane, citrus aurantium dulcis (orange) peel oil, citrus limon peel oil (lemon peel oil), citral, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate

Aqua/water/eau, ascorbic acid, cyclohexasiloxane, glycerin, alcohol denat., potassium hydroxide, polymethylsilsesquioxane, polysilicone-11, dimethicone, propylene glycol, pentaerythrityl tetraethylhexanoate, c13-14 isoparaffin, tocopherol, sodium hyaluronate, hydrolyzed hyaluronic acid, adenosine, acetyl dipeptide-1 cetyl ester, peg-20 methyl glucose sesquistearate, poloxamer 338, salicylic acid, polyacrylamide, toluene sulfonic acid, ammonium polyacryloyldimethyl taurate, xanthan gum, caprylyl glycol, disodium edta, bht, laureth-7, parfum/fragrance.

Notable ingredients

Powerful Strength Vitamin C Serum

10% Pure Vitamin C Serum

Antioxidant: Ascorbic acid, Ascorbyl glucoside, Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate

Solvent: Cyclohexasiloxane, Glycerin, Limonene, Propylene glycol

Buffering: Ascorbic acid, Hydroxyethylpiperazine ethane sulfonic acid

Anti-acne: Salicylic acid

Antioxidant: Ascorbic acid, Bht, Tocopherol

Exfoliant: Salicylic acid

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Ingredients with their functions

Powerful Strength Vitamin C Serum

10% Pure Vitamin C Serum

Propylene glycol

Function: Viscosity controlling, Skin conditioning, Humectant/Moisturizer, Solvent

We don’t have a detailed description of this ingredient yet.

Dimethicone

Function: Emollient/Moisturizer, Skin protecting, Skin conditioning

We don’t have a detailed description of this ingredient yet.

Glycerin

Also-called: Glycerol | Function: Skin-identical ingredient, Viscosity controlling, Skin protecting, Skin conditioning, Humectant/Moisturizer, Solvent

We don’t have a detailed description of this ingredient yet.

Aqua/water/eau

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Ascorbic acid

Also-called: L-ascorbic acid | Function: Skin conditioning, Buffering, Antioxidant

We don’t have a detailed description of this ingredient yet.

Cyclohexasiloxane

Function: Emollient/Moisturizer, Skin conditioning, Solvent

We don’t have a detailed description of this ingredient yet.