COSMETIC LENS
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Emollients

Cyclopentasiloxane

环五聚二甲基硅氧烷

Also known as: D5, Cyclomethicone

What it does

  • Lightweight silicone
  • Slip agent
  • Quick-evaporating carrier

Evidence

Strong evidence

CIR safe for cosmetic use. EU restricted in wash-off products >0.1% for environmental reasons.

Skin types

Well suited for: All

Evaporates quickly, leaving silky feel.

Irritation potential
Very Low
Comedogenic rating
0 / 5
Pregnancy
Generally considered safe during pregnancy

Safe.

Good to know

Volatile silicone—evaporates after application. Gives that 'silky' primer feel. Environmental concerns in EU.

References

Compound data from PubChem (U.S. National Library of Medicine).

Related ingredients

Dimethicone Ceramide NP Squalane Cetearyl Alcohol Butyrospermum Parkii Butter Simmondsia Chinensis Seed Oil

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Educational information only — not medical advice. Always patch test and consult a dermatologist for skin concerns.