Cosmetic ingredient dictionary
Steartrimonium Chloride in cosmetics: what it is and what it does
Steartrimonium Chloride is a cosmetic ingredient that keeps the product from spoiling. The EU lists it as an allowed preservative, with a maximum amount. Open Beauty Facts finds it in 10 products, most often sunscreen.
By Bravoora teamUpdated Sources checked 3 sourcesHow we check
What does Steartrimonium Chloride do in a product?
In a cosmetic product, Steartrimonium Chloride keeps the product from spoiling, makes hair easier to comb, softer or shinier and reduces static, so hair stays flat. The EU’s CosIng database lists these jobs for it: preservative, hair conditioning and antistatic.
What other names and numbers does Steartrimonium Chloride have?
- CAS number
- 112-03-8
- EC number
- 203-929-1
- CosIng reference
- 38313
Is Steartrimonium Chloride restricted in the EU?
Yes, it has limits. The EU lists it as an allowed preservative, with a maximum amount (Annex V of Regulation 1223/2009, entry 44). The EU allows it only with limits or conditions of use, such as a maximum amount or a warning on the label (Annex III of Regulation 1223/2009, entry 286).
The annex entry sets the exact limits, the products it may be used in and any warning the label must carry.
Which products contain Steartrimonium Chloride?
Open Beauty Facts finds Steartrimonium Chloride in the ingredient lists of 10 of the 22,021 products it has a list for, most often sunscreen and hair conditioners.
Products with it, by country of sale: Italy 2 · Singapore 2 · Australia 2 · Spain 1.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Steartrimonium Chloride 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
- EU Regulation 1223/2009 on cosmetic products (the annexes)
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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