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Aminopropyl Triethoxysilane

What Aminopropyl Triethoxysilane is & what it does

Aminopropyl Triethoxysilane is a silane, a small silicon-based molecule carrying an amino group and three ethoxy groups. In cosmetics it is used as a binding or surface-treatment agent, commonly to coat pigments and powders so they disperse more evenly, which can be useful in tinted sunscreens and color cosmetics. It can also help improve adhesion and the wear of a formula on the skin.

What does Aminopropyl Triethoxysilane do in skincare?

Aminopropyl Triethoxysilane is used mainly as a binding and surface-treatment agent, commonly to coat pigments and powders so they disperse evenly in a formula. This makes it useful in tinted sunscreens and color cosmetics. It can also help improve how well a product adheres to and wears on the skin.

Is Aminopropyl Triethoxysilane safe?

Aminopropyl Triethoxysilane is a silane used in cosmetics largely as a pigment-coating and binding agent, and it is generally considered safe at the levels used in finished products. Most of it functions to treat surfaces within the formula rather than to penetrate skin. If you have specific concerns, a qualified professional is the best resource.

Is Aminopropyl Triethoxysilane natural or synthetic?

Aminopropyl Triethoxysilane is synthetic, a silicon-based silane molecule made through chemical synthesis. It is not extracted from a natural source. Its structure is designed to bond to pigment and powder surfaces within a formula.

Sunscreens with Aminopropyl Triethoxysilane

We rate 6 sunscreens that contain it:

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