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Cosmetic ingredient dictionary

Erythorbic Acid in cosmetics: what it is and what it does

Erythorbic Acid is a cosmetic ingredient that stops the product reacting with oxygen and going off. Open Beauty Facts finds it in 37 products, most often hair care.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Erythorbic Acid do in a product?

In a cosmetic product, Erythorbic Acid stops the product reacting with oxygen and going off. The EU’s CosIng database lists this job for it: antioxidant.

antioxidant

What other names and numbers does Erythorbic Acid have?

CAS number
89-65-6
EC number
201-928-0
CosIng reference
33791

Which products contain Erythorbic Acid?

Open Beauty Facts finds Erythorbic Acid in the ingredient lists of 37 of the 22,021 products it has a list for, most often hair care, hair dyes and shampoos.

  • Hair care7
  • Hair dyes7
  • Shampoos1

Products with it, by country of sale: Australia 15 · Turkey 5 · Norway 5 · France 4.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Erythorbic Acid turns up, not how much of the market it is.

On these listsAntioxidants

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’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. 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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