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Obagi
Professional-C Serum 15%

Versus

SkinCeuticals
C + Aha

Product category and function

Professional-C Serum 15%

C + Aha

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

Professional-C Serum 15%

C + Aha

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

Professional-C Serum 15%

C + Aha

No. of common ingredients = 0
Total Number of ingredients = 6	Total Number of ingredients = 12
Propylene glycol, aqua/water/eau, l-ascorbic acid, alcohol, ascorbyl glucoside, fragrance (parfum). 3	Aqua/water/eau, ascorbic acid, triethanolamine, glycolic acid, propylene glycol, glycerin, citric acid, lactic acid, phenoxyethanol, zinc sulfate, disodium edta, sodium hyaluronate.

Notable ingredients

Professional-C Serum 15%

C + Aha

Antioxidant: L-ascorbic acid, Ascorbyl glucoside

Solvent: Aqua/water/eau, Alcohol, Propylene glycol

Anti-microbial: Alcohol

Antioxidant: Ascorbic acid

Exfoliant: Glycolic acid, Lactic acid

Solvent: Aqua/water/eau, Glycerin, Propylene glycol

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Ingredients with their functions

Professional-C Serum 15%

C + Aha

Propylene glycol

Function: Viscosity controlling, 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.

L-ascorbic acid

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

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