Cosmetic ingredient dictionary
Aspartic Acid in cosmetics: what it is and what it does
Aspartic Acid is a cosmetic ingredient that keeps the skin in good condition. Open Beauty Facts finds it in 71 products, most often hair care.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Aspartic Acid do in a product?
In a cosmetic product, Aspartic Acid keeps the skin in good condition, makes hair easier to comb, softer or shinier and hides an unwanted smell or taste. The EU’s CosIng database lists these jobs for it: skin conditioning, hair conditioning, masking and antistatic.
What other names and numbers does Aspartic Acid have?
- CAS number
- 56-84-8, 617-45-8
- EC number
- 200-291-6, 210-513-3
- CosIng reference
- 74340
Which products contain Aspartic Acid?
Open Beauty Facts finds Aspartic Acid in the ingredient lists of 71 of the 22,021 products it has a list for, most often hair care, skincare and sunscreen.
Products with it, by country of sale: Germany 17 · United States 12 · France 9 · Turkey 9.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Aspartic Acid 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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