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Neostrata
15% Vitamin C + Pha Serum

Versus

Obagi
Professional-C Serum 10%

Product category and function

15% Vitamin C + Pha Serum

Professional-C Serum 10%

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

15% Vitamin C + Pha Serum

Professional-C Serum 10%

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

15% Vitamin C + Pha Serum

Professional-C Serum 10%

No. of common ingredients = 0
Total Number of ingredients = 8	Total Number of ingredients = 5
Propanediol, aqua/water/eau, ascorbic acid (pure vitamin c), gluconolactone (pha), chrysanthemum parthenium (feverfew) flower/leaf/stem juice, sodium hydroxide, caprylyl glycol, epigallocatechin gallate 2	Propylene glycol, aqua/water/eau, propylene carbonate, l-ascorbic acid, fragrance (parfum).

Notable ingredients

15% Vitamin C + Pha Serum

Professional-C Serum 10%

Antioxidant: Ascorbic acid (pure vitamin c), Chrysanthemum parthenium (feverfew) flower/leaf/stem juice, Epigallocatechin gallate

Exfoliant: Gluconolactone (pha)

Solvent: Aqua/water/eau, Propanediol

Antioxidant: L-ascorbic acid

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

Buffering: L-ascorbic acid

Ingredients with their functions

15% Vitamin C + Pha Serum

Professional-C Serum 10%

Propanediol

Also-called: Zemea | Function: Viscosity controlling, 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 (pure vitamin c)

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

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