What it is
Polysilicone-1 is a crosslinked organosilicone polymer that forms a flexible film on the skin and contributes a smooth, silky slip. In sunscreens it is used to improve spreadability and help create an even, continuous layer of product on the skin surface. Its silicone nature gives a light, non-greasy aesthetic.
Safety & warnings
Silicone polymers such as Polysilicone-1 are large and generally non-penetrating, with a long record of good tolerability in topical products. It is not a known fragrance allergen and is not a comedogenic plant oil; silicones are generally regarded as non-comedogenic in typical use.
Origin & sourcing
Synthetic silicone polymer.
Questions everyone asks
Is Polysilicone-1 a silicone?
Yes. It is a crosslinked silicone polymer used for its smooth feel and film-forming properties.
What role does it play in a sunscreen?
It helps the product spread evenly and form a uniform film, giving a light, silky finish.