A stearyl-capped polyamide copolymer used as an emollient, skin-protecting and viscosity-controlling ingredient.
What it is
Polyamide-8 is, according to CosIng, a copolymer of ethylenediamine, neopentyl glycol and hydrogenated dilinoleic acid, end-blocked with stearyl alcohol. CosIng lists it as an emollient, skin-conditioning, skin-protecting and viscosity-controlling ingredient.
Where it is used
Appears on the ingredient lists of a small number of products, such as lip products and other makeup.
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 INCI name does not show the molecular weight of the polymer.
Functions
- Skin conditioning – emollient
- Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
- Skin conditioning
- Maintaining the skin in good condition.
- Skin protecting
- Helping to avoid harmful effects to the skin from external factors.
- Viscosity controlling
- Increasing or decreasing the viscosity (thickness) of cosmetics.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.