Do silicones clog pores?

Dimethicone crosspolymer is a silicone often used in primers and foundations for its smoothing feel. Published reviews do not support the claim that silicones of typical size and formulation clog pores or trap bacteria, though individual sensitivities are possible.

What is dimethicone crosspolymer?

This is a cross-linked silicone polymer that sits on the skin surface to create a smooth texture and blurred-pore effect. It's used primarily in makeup and primers.

Can I use silicone products if I have acne?

Acne is multifactorial, and published evidence does not establish silicones as a primary acne trigger at typical cosmetic use levels. Individual responses vary; some people find silicone-containing products work well for them.

emollient · thickener

Dimethicone Crosspolymer

Commonly feared, low concern·Moderate evidence

A crosslinked silicone polymer that creates a velvety texture in primers and powders. The crosslinked structure does not change its safety profile, and it is inert and well tolerated.

The myth vs the evidence

Subject to the same silicone fears as dimethicone, though the polymeric structure is still breathable to water vapor and does not suffocate the skin.

Questions

Do silicones clog pores?: Dimethicone crosspolymer is a silicone often used in primers and foundations for its smoothing feel. Published reviews do not support the claim that silicones of typical size and formulation clog pores or trap bacteria, though individual sensitivities are possible.
What is dimethicone crosspolymer?: This is a cross-linked silicone polymer that sits on the skin surface to create a smooth texture and blurred-pore effect. It's used primarily in makeup and primers.
Can I use silicone products if I have acne?: Acne is multifactorial, and published evidence does not establish silicones as a primary acne trigger at typical cosmetic use levels. Individual responses vary; some people find silicone-containing products work well for them.

Products with Dimethicone Crosspolymer

References

CosIng entry: Dimethicone Crosspolymer ↗

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.