Ingredient
Ascorbic Acid
Vitamin C
An antioxidant used for brightness and tone. Unstable in water, so the formula around it matters a great deal.
- CAS 50-81-7
What it is there to do
Antioxidant
Slows oxidation, of the formula or on the skin.
What we don't know
- Where it comes from — plant, mineral, synthetic — isn't recorded.
- No published rule in our reference names it. That is about the rules, not safety.
- How much of it is used in any particular product. We hold no concentrations at all.
This is information about an ingredient, not medical advice, and not a judgement about any product that contains it. Back to the reference.