No fungal-acne, pore-clogging, fragrance or drying-alcohol flags for Cyclopentasiloxane in our reference data.
Cyclopentasiloxane is a volatile cyclic silicone widely used in skincare and cosmetics to impart a smooth, silky feel and spreadability before evaporating, leaving no greasy residue. It also serves as a carrier and helps reduce tackiness in formulations.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Rare | Generally considered non-irritating; occasional mild reactions reported. |
Contact allergy/sensitization | Very rare | Silicones are low-allergenicity; documented allergic reactions are exceptional. |
Eye irritation | Rare | Possible transient stinging if product enters the eyes. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.