A silicon-containing derivative of the amino acid cystine, used as a skin-conditioning ingredient.
What it is
Cystine bis-PG-propyl silanetriol is a derivative of L-cystine, a sulfur-containing amino acid, to which organosilicon (silanetriol) groups are attached. CosIng lists it as a skin-conditioning ingredient.
Where it is used
Found in a small number of hair care and other 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.
The label does not show the amount used.
Functions
- 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.