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Cosmetic ingredient dictionary

Thioglycerin in cosmetics: what it is and what it does

Thioglycerin is a cosmetic ingredient that removes hair. Open Beauty Facts finds it in 49 products, most often hair care.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Thioglycerin do in a product?

In a cosmetic product, Thioglycerin removes hair, changes how hair waves or curls and loosens dead skin cells. The EU’s CosIng database lists these jobs for it: depilatory, hair waving or straightening, keratolytic and reducing.

depilatoryhair waving or straighteningkeratolyticreducing

What other names and numbers does Thioglycerin have?

CAS number
96-27-5
EC number
202-495-0
CosIng reference
38586

Which products contain Thioglycerin?

Open Beauty Facts finds Thioglycerin in the ingredient lists of 49 of the 22,021 products it has a list for, most often hair care and hair dyes.

  • Hair care3
  • Hair dyes3

Products with it, by country of sale: Norway 42 · France 4 · Turkey 1 · Finland 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Thioglycerin 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’.

  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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