Cosmetic ingredient dictionary
Chlorhexidine Dihydrochloride in cosmetics: what it is and what it does
Chlorhexidine Dihydrochloride 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 32 products, most often hair care.
By Bravoora teamUpdated Sources checked 3 sourcesHow we check
What does Chlorhexidine Dihydrochloride do in a product?
In a cosmetic product, Chlorhexidine Dihydrochloride keeps the product from spoiling, slows the growth of microbes on the skin, and cares for teeth and mouth. The EU’s CosIng database lists these jobs for it: preservative, antimicrobial and oral care.
What other names and numbers does Chlorhexidine Dihydrochloride have?
- CAS number
- 3697-42-5
- EC number
- 223-026-6
- CosIng reference
- 32660
Is Chlorhexidine Dihydrochloride restricted in the EU?
It is allowed, on a list with limits. The EU lists it as an allowed preservative, with a maximum amount (Annex V of Regulation 1223/2009, entry 42).
The annex entry sets the exact limits, the products it may be used in and any warning the label must carry.
Which products contain Chlorhexidine Dihydrochloride?
Open Beauty Facts finds Chlorhexidine Dihydrochloride in the ingredient lists of 32 of the 22,021 products it has a list for, most often hair care, hair conditioners and shampoos.
Products with it, by country of sale: France 14 · Norway 12 · United States 3 · Belgium 1.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Chlorhexidine Dihydrochloride 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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