Ascorbic Acid
Ascorbic Acid is a cosmetic ingredient used as an antioxidant, buffering agent. It appears in about 2% of cosmetic products in our 90,000+ product dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 3,037 studies of its skin or topical use.
| INCI name | ASCORBIC ACID |
| Function | ANTIOXIDANT, BUFFERING, FRAGRANCE, SKIN CONDITIONING |
| CAS number | 50-81-7 / 62624-30-0 |
| EC number | 200-066-2 / 263-644-3 |
| Prevalence | 1,933 products (2.08% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 3,037 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 40,500 |
Used in
Serums 30.7%General Moisturizers 7.2%Face Cleansers 5.1%Toners 4.7%Facial Treatments 4.2%Eye Moisturizers 3.5%
Frequently asked
- What does Ascorbic Acid do in skincare?
- Ascorbic Acid functions as an antioxidant, buffering agent in cosmetic formulas.
- Is Ascorbic Acid allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Ascorbic Acid?
- It is most commonly found in Skincare products, especially serums (30.7% of its uses).
Manufacturers with experience using Ascorbic Acid
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.