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PEG/PPG-20/20 Dimethicone

What PEG/PPG-20/20 Dimethicone is & what it does

A silicone emulsifier used to build stable water-in-silicone sunscreens with a light, smooth feel. It helps the formula spread evenly and resist water.

What does PEG/PPG-20/20 Dimethicone do in skincare?

PEG/PPG-20/20 Dimethicone is a silicone-based surfactant and emulsifier. In skincare and sunscreen formulas it helps blend oil and water phases and stabilize emulsions, especially in water-in-silicone systems. It can also contribute to a smooth, even feel during application.

Is PEG/PPG-20/20 Dimethicone safe?

PEG/PPG-20/20 Dimethicone is a widely used silicone emulsifier and is generally considered safe at the concentrations found in cosmetic products. It functions mainly to help the formula stay stable and spread evenly. If you have specific concerns, consult a qualified professional.

Is PEG/PPG-20/20 Dimethicone natural or synthetic?

PEG/PPG-20/20 Dimethicone is a synthetic ingredient, based on a silicone backbone modified with polyethylene glycol and polypropylene glycol groups. It is not derived from a natural source. Silicone emulsifiers like this are valued for their stable, predictable performance.

Sunscreens with PEG/PPG-20/20 Dimethicone

We rate 7 sunscreens that contain it:

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