Cysteamine Hcl

Cysteamine Hcl is a cosmetic ingredient used as an antioxidant, hair waving or straightening agent. It is used in 8 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameCYSTEAMINE HCL
FunctionANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, REDUCING
CAS number156-57-0
EC number205-858-1
Prevalence8 products (0.01% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Monthly searches30

Used in

Facial Treatments 50%Serums 37.5%Shampoos 12.5%

Frequently asked

What does Cysteamine Hcl do in skincare?
Cysteamine Hcl functions as an antioxidant, hair waving or straightening agent in cosmetic formulas.
Is Cysteamine Hcl allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Cysteamine Hcl?
It is most commonly found in Skincare products, especially facial treatments (50% of its uses).

Manufacturers with experience using Cysteamine Hcl

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