Potassium Cetyl Phosphate is an anionic emulsifier and surfactant used in oil-in-water formulations to stabilize emulsions and improve texture. It is considered a formulation/base ingredient rather than a treatment active.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Rare | Generally well tolerated; transient irritation possible on sensitive skin. |
| Allergic contact dermatitis | Very rare | Isolated sensitization reports; uncommon as a primary allergen. |
| Eye irritation | Rare | Possible stinging on direct ocular contact with surfactant-containing products. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.