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Dimethicone is a silicone-based polymer that is frequently used as a skin protectant in skincare products. The second most common moisturizing ingredient found in moisturizers after petrolatum, dimethicone helps condition your skin—improving its softness, smoothness, and flexibility. The silky texture of the silicone-based ingredient helps creams and moisturizers glide over your skin and is often used as an alternative to petrolatum. While there are varying opinions on the use of silicones in cosmetics, the fact is that scientists agree that silicones are safe and do not pose a risk to humans when used in skincare products.


Because the large silicone molecules that make up dimethicone aren’t easily absorbed into your skin, it acts as a barrier preventing water loss and protecting your skin from environmental irritants. The restorative qualities of dimethicone make it a highly sought-after skincare ingredient in moisturizers and creams.


Find the answers to some frequently asked questions about dimethicone below.

  • Dimethicone is a silicone-based ingredient with a silky texture commonly found in barrier-protecting skincare products, such as creams, moisturizers, and ointments.

  • Dimethicone contributes to the "slip" or "glide" felt upon the application of skincare products such as creams and moisturizers, making them spread easily onto your skin. In addition, dimethicone coats your skin, helping to moisturize it by reducing water loss and providing smooth softness and coverage—without feeling heavy.

  • Dimethicone forms a barrier on your skin that helps minimize water loss. Dimethicone also helps improve your skin’s smoothness and elasticity by filling in gaps between the cells in the uppermost layer of your skin.

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