Cosmetic ingredient dictionary
Dihydroxyacetone in cosmetics: what it is and what it does
Dihydroxyacetone is a cosmetic ingredient that keeps the skin in good condition. Open Beauty Facts finds it in 18 products, most often sunscreen.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Dihydroxyacetone do in a product?
In a cosmetic product, Dihydroxyacetone keeps the skin in good condition, changes the chemistry of hair, as in perms and darkens the skin without the sun. The EU’s CosIng database lists these jobs for it: skin conditioning, reducing and tanning.
What other names and numbers does Dihydroxyacetone have?
- CAS number
- 96-26-4
- EC number
- 202-494-5
- CosIng reference
- 75563
Which products contain Dihydroxyacetone?
Open Beauty Facts finds Dihydroxyacetone in the ingredient lists of 18 of the 22,021 products it has a list for, most often sunscreen and self tanner.
Products with it, by country of sale: United States 5 · Norway 4 · France 3 · Germany 2.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Dihydroxyacetone turns up, not how much of the market it is.
Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors
Sources
The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.
- European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
- Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL
Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check
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