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Kiehl's
Age Defender Power Serum

Versus

La Roche-Posay
10% Pure Vitamin C Serum

Product category and function

Age Defender Power 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

Age Defender Power 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

Age Defender Power Serum

10% Pure Vitamin C Serum

No. of common ingredients = 0
Aqua/water, glycerin, dimethicone, alcohol denat., isononyl isononanoate, butylene glycol, ammonium polyacryloyldimethyl taurate, phenoxyethanol, pentylene glycol, hydrolyzed soy protein, parfum/fragrance, hydroxypropyl tetrahydropyrantriol, propylene glycol, ruscus aculeatus root extract, glycine soja oil/soybean oil, caffeine, tocopherol, hydrolyzed rice protein, limonene, biosaccharide gum-1, disodium edta, adenosine, t-butyl alcohol, hydroxypalmitoyl sphinganine, cryptomeria japonica bud extract, linalool, citral 10	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 = 27

Total Number of ingredients = 29

Aqua/water, glycerin, dimethicone, alcohol denat., isononyl isononanoate, butylene glycol, ammonium polyacryloyldimethyl taurate, phenoxyethanol, pentylene glycol, hydrolyzed soy protein, parfum/fragrance, hydroxypropyl tetrahydropyrantriol, propylene glycol, ruscus aculeatus root extract, glycine soja oil/soybean oil, caffeine, tocopherol, hydrolyzed rice protein, limonene, biosaccharide gum-1, disodium edta, adenosine, t-butyl alcohol, hydroxypalmitoyl sphinganine, cryptomeria japonica bud extract, linalool, citral

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

Age Defender Power Serum

10% Pure Vitamin C Serum

Soothing: Ruscus aculeatus root extract

Antioxidant: Caffeine, Tocopherol

Solvent: Aqua/water, Alcohol denat, Butylene glycol, Glycerin, Limonene, Propylene glycol, T-butyl alcohol, Pentylene glycol

Anti-acne: Salicylic acid

Antioxidant: Ascorbic acid, Bht, Tocopherol

Exfoliant: Salicylic acid

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Ingredients with their functions

Age Defender Power Serum

10% Pure Vitamin C Serum

Aqua/water

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.

Glycerin

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