An S-carboxymethyl derivative of cysteine, listed as an anti-sebum and skin-conditioning ingredient.
What it is
Carbocysteine is S-(carboxymethyl)-L-cysteine, a derivative of the amino acid cysteine in which the sulfur atom carries a carboxymethyl group. CosIng lists it as an anti-sebum and skin-conditioning ingredient.
Where it is used
Appears on the ingredient lists of a small number of products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
Functions
- Anti-sebum
- Helping control sebum production.
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.