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Obagi
Professional-C Serum 20%

Versus

SkinCeuticals
Serum 10 AOX+

Product category and function

Professional-C Serum 20%

Serum 10 AOX+

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 20%

Serum 10 AOX+

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 20%

Serum 10 AOX+

No. of common ingredients = 0
Total Number of ingredients = 12	Total Number of ingredients = 7
Propylene glycol, aqua (water/eau), l-ascorbic acid, alcohol, ascorbyl glucoside, ethoxydiglycol, phenoxyethanol, sorbitol, sodium hyaluronate, zinc chloride, calcium hydroxide, fragrance (parfum). 3	Aqua/water/eau, dipropylene glycol, ascorbic acid, glycerin, triethyl citrate, ferulic acid, sodium hyaluronate

Notable ingredients

Professional-C Serum 20%

Serum 10 AOX+

Soothing: Zinc chloride

Antioxidant: L-ascorbic acid, Ascorbyl glucoside

Solvent: Aqua (water/eau), Alcohol, Ethoxydiglycol, Propylene glycol

Antioxidant: Ascorbic acid, Ferulic acid

Solvent: Aqua/water/eau, Dipropylene glycol, Glycerin, Triethyl citrate

Anti-microbial: Ferulic acid

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Ingredients with their functions

Professional-C Serum 20%

Serum 10 AOX+

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.