A synthetic polyether used as a skin-conditioning ingredient.
What it is
PEG/PPG-17/4 dimethyl ether is a copolymer of ethylene oxide and propylene oxide, with on average 17 ethylene oxide and 4 propylene oxide units, capped with a methyl group at both ends. CosIng lists it as a skin-conditioning ingredient.
Where it is used
Found in a small number of skin care 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 numbers in the name are average values; the actual material is a mixture of chain lengths.
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.