Researched by Helena DeMaria-Williams
Formula IngredientEmollientINCI: Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer
Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer is a crosslinked silicone polymer formed from hydrogen dimethicone crosslinked with bis-methallyl PPG-20. It functions as an emollient and viscosity controlling agent, providing a smooth, silky skin feel while helping to adjust product texture and consistency. It is particularly common in sunscreens and primers where it creates an even, lightweight film on skin.
Category
Emollient
Irritation Risk
Low
Skin Types
all skin types, oily, combination, sensitive
skin smoothing, texture improvement, viscosity control, silky finish, primer effect, even application
Silicone crosspolymers are generally well tolerated. No EU CosIng Annex II or III restrictions apply. Widely used in sunscreen and primer formulations from brands like Supergoop! and Murad without notable irritation reports.
This silicone crosspolymer does not increase photosensitivity.
Silicone polymers are inert and do not penetrate the skin. No reproductive or developmental concerns are noted. Generally considered safe during pregnancy.
Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer is a crosslinked silicone polymer formed from hydrogen dimethicone crosslinked with bis-methallyl PPG-20. It functions as an emollient and viscosity controlling agent, providing a smooth, silky skin feel while helping to adjust product texture and consistency. It is particularly common in sunscreens and primers where it creates an even, lightweight film on skin.
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