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Stearoxymethicone/Dimethicone Copolymer

What Stearoxymethicone/Dimethicone Copolymer is & what it does

A silicone that forms a smoothing, flexible film for a soft-focus, long-wearing finish. It conditions the surface and improves slip.

What does Stearoxymethicone/Dimethicone Copolymer do in skincare?

Stearoxymethicone/Dimethicone Copolymer is a silicone-based ingredient that combines a stearyl-modified silicone with dimethicone. In skincare and sunscreen formulas it acts as an emollient and skin-conditioning agent, helping to soften the skin feel and improve spreadability. It can also contribute to a smooth, even finish.

Is Stearoxymethicone/Dimethicone Copolymer safe?

Stearoxymethicone/Dimethicone Copolymer is a silicone conditioning ingredient and is generally considered safe at the levels used in cosmetic products. It mainly works on the surface of the skin to improve feel and texture. If you have specific concerns, consult a qualified professional.

Is Stearoxymethicone/Dimethicone Copolymer natural or synthetic?

Stearoxymethicone/Dimethicone Copolymer is a synthetic ingredient based on a silicone backbone modified with a stearyl group. It is not derived from a natural source. Modified silicones like this are valued for the soft, smooth feel they give a formula.

Sunscreens with Stearoxymethicone/Dimethicone Copolymer

We rate 7 sunscreens that contain it:

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