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C30-45 Alkyl Dimethicone

What C30-45 Alkyl Dimethicone is & what it does

C30-45 Alkyl Dimethicone is a long-chain alkyl-modified silicone wax used in cosmetic formulas. It acts mainly as an emulsion stabilizer and film former, helping water-resistant products such as sunscreens hold up against sweat and water. The long alkyl chains give it a waxier, more substantive feel than fluid dimethicones, which supports an even, durable film on skin. It is commonly paired with other silicones and waxes to improve wear and spreadability.

What is C30-45 Alkyl Dimethicone?

C30-45 Alkyl Dimethicone is a long-chain, alkyl-modified silicone wax used in cosmetics. It is a waxy form of dimethicone that helps stabilize emulsions and form a smooth film on skin.

What does C30-45 Alkyl Dimethicone do in sunscreen?

It acts as an emulsion stabilizer and film former, which helps a sunscreen stay even and water resistant. The waxy structure supports a durable surface layer that holds up against sweat and water.

Is C30-45 Alkyl Dimethicone safe?

It is generally considered a well-tolerated cosmetic silicone with no concerns flagged in this catalog. It is used as a stabilizing and texture ingredient rather than an active.

Sunscreens with C30-45 Alkyl Dimethicone

We rate 4 sunscreens that contain it:

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