Chitosan

Chitosan is a cosmetic ingredient used as a film forming, hair fixing agent. It is used in 79 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 5,260 studies of its skin or topical use.

INCI nameCHITOSAN
FunctionFILM FORMING, HAIR FIXING
CAS number9012-76-4
Prevalence79 products (0.09% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Scientific studies5,260 on PubMed (skin/cosmetic/topical)
Monthly searches6,600

Used in

Styling Creams & Sprays 15.2%Serums 12.7%Mousse & Foam 10.1%General Moisturizers 7.6%Toners 7.6%Face Cleansers 6.3%

Frequently asked

What does Chitosan do in skincare?
Chitosan functions as a film forming, hair fixing agent in cosmetic formulas.
Is Chitosan allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Chitosan?
It is most commonly found in Skincare products, especially styling creams & sprays (15.2% of its uses).

Manufacturers with experience using Chitosan

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.