Cosmetic ingredient dictionary
Polyquaternium-37 in cosmetics: what it is and what it does
Polyquaternium-37 is a cosmetic ingredient that leaves a thin film on skin, hair or nails. Open Beauty Facts finds it in 112 products, most often hair care.
By Bravoora teamUpdated Sources checked 2 sourcesHow we check
What does Polyquaternium-37 do in a product?
In a cosmetic product, Polyquaternium-37 leaves a thin film on skin, hair or nails and reduces static, so hair stays flat. The EU’s CosIng database lists these jobs for it: film forming and antistatic.
What other names and numbers does Polyquaternium-37 have?
- CAS number
- 26161-33-1
- CosIng reference
- 79206
Which products contain Polyquaternium-37?
Open Beauty Facts finds Polyquaternium-37 in the ingredient lists of 112 of the 22,021 products it has a list for, most often hair care, hair conditioners and hair masks.
Products with it, by country of sale: France 35 · Norway 12 · Germany 11 · United States 10.
Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Polyquaternium-37 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
Create a website profile with the things you avoid and the people you check for.
Build my profileSave and edit your profile on this website. App transfer is not available yet.