Cysteine Hcl

Cysteine Hcl is a cosmetic ingredient used as an antioxidant, hair conditioning agent. It is used in 9 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes.

INCI nameCYSTEINE HCL
FunctionANTIOXIDANT, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING, REDUCING
CAS number52-89-1
EC number200-157-7
Prevalence9 products (0.01% of dataset)
Most used inHaircare
EU statusNo annex restriction
Monthly searches140

Used in

Conditioners 22.2%Ampoules 11.1%Exfoliators 11.1%Gel, Pomade & Wax 11.1%Leave-in Treatments 11.1%Mousse & Foam 11.1%

Frequently asked

What does Cysteine Hcl do in skincare?
Cysteine Hcl functions as an antioxidant, hair conditioning agent in cosmetic formulas.
What products contain Cysteine Hcl?
It is most commonly found in Haircare products, especially conditioners (22.2% of its uses).

Manufacturers with experience using Cysteine Hcl

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