In our reference data, Magnesium Stearate can feed Malassezia (fungal acne).
Magnesium stearate is the magnesium salt of stearic acid, used in cosmetics and skincare as a bulking agent, anti-caking agent, lubricant, and opacifier. It helps improve texture and prevent ingredients from clumping in powders and creams.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation | Rare | Generally well tolerated; mild irritation possible in sensitive individuals. |
Allergic contact dermatitis | Very rare | Isolated case reports; sensitization is uncommon. |
Pore-clogging (comedogenicity) | Rare | Low comedogenic potential, but may contribute in heavy powder formulations on acne-prone skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.