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emollient

Dimethicone

Commonly feared, low concern·Strong evidence

A silicone that gives a smooth, soft feel and helps hold water in the skin. Inert and well studied.

The myth vs the evidence

Often accused of "suffocating" skin or causing breakouts. Dimethicone is breathable to water vapor, non-comedogenic in testing, and rinses off normally. The clean-beauty fear is not supported.

Questions

Does dimethicone suffocate your skin?
No. Dimethicone is breathable to water vapor and actually helps your skin retain moisture. It is non-comedogenic in testing, meaning it does not block pores or cause breakouts in the standard assessments. The clean-beauty fear about silicones suffocating skin is not supported by evidence.
Will dimethicone clog my pores or cause acne?
Dimethicone is non-comedogenic, which means it does not clog pores or promote acne in cosmetic testing. It rinses off normally with water. Some people may react to any occlusive ingredient, but dimethicone itself is well studied and does not inherently cause breakouts.
Why do natural and clean beauty brands avoid silicones?
Silicones like dimethicone are inert, synthetic, and not naturally derived, which is why some clean-beauty brands exclude them as a positioning choice. However, this is a consumer preference, not a safety or efficacy statement. Dimethicone is inert and well tolerated at cosmetic levels.

Products with Dimethicone

In our guides

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.