Dimethicone/Silsesquioxane Copolymer

Dimethicone/Silsesquioxane Copolymer is a cosmetic ingredient used as a film forming, hair conditioning agent. It is used in 5 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex).

INCI nameDIMETHICONE/SILSESQUIOXANE COPOLYMER
FunctionFILM FORMING, HAIR CONDITIONING, HAIR FIXING
CAS number68440-84-6
Prevalence5 products (0.01% of dataset)
Most used inSkincare
EU statusRestricted (annex )

Used in

Sunscreens 40%Foundations 20%Lip Oils 20%Toners 20%

Frequently asked

What does Dimethicone/Silsesquioxane Copolymer do in skincare?
Dimethicone/Silsesquioxane Copolymer functions as a film forming, hair conditioning agent in cosmetic formulas.
Is Dimethicone/Silsesquioxane Copolymer allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Dimethicone/Silsesquioxane Copolymer?
It is most commonly found in Skincare products, especially sunscreens (40% of its uses).

Manufacturers with experience using Dimethicone/Silsesquioxane Copolymer

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