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Ingredient

Cyclopentasiloxane

A light, fast-evaporating silicone used to help a product spread easily without leaving a heavy feel.

What it is there to do

  • Emollient

    Softens and smooths by filling gaps between skin cells.

  • Solvent

    Dissolves and carries the other ingredients.

Where this comes up

The notes BeautySignal puts beside this ingredient when it is on a label.

  • Contains silicones

    This product contains silicones, which are used to give a smooth feel and to help a formula spread.

    Why we mention it

    Silicones are a frequent preference filter. There is no regulatory restriction behind this flag, so it is marked informational.

What we don't know

  • Where it comes from — plant, mineral, synthetic — isn't recorded.
  • No published rule in our reference names it. That is about the rules, not safety.
  • How much of it is used in any particular product. We hold no concentrations at all.

This is information about an ingredient, not medical advice, and not a judgement about any product that contains it. Back to the reference.