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Diphenylsiloxy Phenyl Trimethicone

What Diphenylsiloxy Phenyl Trimethicone is & what it does

A high-refractive silicone that adds gloss, slip, and a smooth, conditioned feel. It helps disperse pigments for an even finish.

What is Diphenylsiloxy Phenyl Trimethicone and what does it do in sunscreen?

It is a high-refractive silicone emollient that adds gloss, slip, and a smooth, conditioned feel. In a sunscreen it helps disperse pigments and filters for an even, polished finish. It is a texture and aesthetics ingredient rather than a UV filter.

Is Diphenylsiloxy Phenyl Trimethicone safe?

Yes. Cosmetic silicones like this one are inert, sit on the surface of the skin, and are well tolerated, and our data does not flag it as an allergen. It is widely used in sunscreens and makeup for finish and feel.

Does Diphenylsiloxy Phenyl Trimethicone clog pores?

Generally no. Silicones of this type are large, non-greasy molecules that are typically considered non-comedogenic, and it is not flagged as comedogenic in our data. It is more likely to improve a formula's lightness than to clog pores.

Is Diphenylsiloxy Phenyl Trimethicone a silicone?

Yes. It is a phenyl-based silicone, which is the family known for high shine and a luxurious slip. The phenyl groups give it a high refractive index, which is what helps it deliver gloss and a smooth optical finish.

What is Diphenylsiloxy Phenyl Trimethicone on an ingredient list (INCI)?

"Diphenylsiloxy Phenyl Trimethicone" is the INCI name as it appears on the label. It usually sits in the oil phase, in the upper-to-middle part of the list. You will often see it in tinted sunscreens, sticks, and foundations where finish matters.

Sunscreens with Diphenylsiloxy Phenyl Trimethicone

We rate 119 sunscreens that contain it, showing the top 10 by overall score:

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