Cosmetic ingredient dictionary
Ammonium Persulfate in cosmetics: what it is and what it does
Ammonium Persulfate is a cosmetic ingredient that lightens the colour of skin or hair. Open Beauty Facts finds it in 7 products, most often hair care.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Ammonium Persulfate do in a product?
In a cosmetic product, Ammonium Persulfate lightens the colour of skin or hair and changes the chemistry of another ingredient, as in hair dye. The EU’s CosIng database lists these jobs for it: bleaching and oxidising.
What other names and numbers does Ammonium Persulfate have?
- CAS number
- 7727-54-0
- EC number
- 231-786-5
- CosIng reference
- 74419
Which products contain Ammonium Persulfate?
Open Beauty Facts finds Ammonium Persulfate in the ingredient lists of 7 of the 22,021 products it has a list for, most often hair care and hair dyes.
Products with it, by country of sale: Norway 3 · France 1 · Canada 1 · Portugal 1.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Ammonium Persulfate 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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