Dehydroacetic Acid
Dehydroacetic Acid is a cosmetic ingredient used as a preservative agent. It appears in about 1% of cosmetic products in our 90,000+ product dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 27 studies of its skin or topical use.
| INCI name | DEHYDROACETIC ACID |
| Function | PRESERVATIVE |
| CAS number | 520-45-6 / 771-03-9 / 16807-48-0 |
| EC number | 208-293-9 / 212-227-4 / - |
| Prevalence | 1,234 products (1.33% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 27 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 720 |
Used in
Serums 11.8%Face Cleansers 10.7%General Moisturizers 6.4%Shampoos 5.3%Toners 4.7%Makeup Removers 4.1%
Frequently asked
- What does Dehydroacetic Acid do in skincare?
- Dehydroacetic Acid functions as a preservative agent in cosmetic formulas.
- Is Dehydroacetic 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 Dehydroacetic Acid?
- It is most commonly found in Skincare products, especially serums (11.8% of its uses).
Manufacturers with experience using Dehydroacetic Acid
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.