Ingredient
Polyglyceryl-3 Polydimethylsiloxyethyl Dimethicone
What it is
A silicone-polyglycerin hybrid polymer used as an emulsifier to build lightweight, water-resistant silicone-in-water emulsions, a formulation approach common in modern mineral sunscreens.
How it works
Its combined silicone and polyglycerin segments let it stabilize emulsions containing silicone fluids and mineral UV filter particles in water, producing a silky, non-greasy finish.
What it does
Emulsifier
Emulsion stabiliser
Concerns to know
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Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.