In our reference data, Isostearyl Isostearate can feed Malassezia (fungal acne).
Isostearyl isostearate is an ester of isostearic acid and isostearyl alcohol used as an emollient and skin-conditioning agent in cosmetic formulations. It imparts a smooth, occlusive feel and helps soften skin and stabilize formulations.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation | Rare | Mild, transient irritation reported infrequently; generally considered low-irritation. |
Allergic contact dermatitis | Rare | Isolated sensitization cases; not a common allergen. |
Comedogenicity / pore clogging | Uncommon | As an occlusive ester it may contribute to clogged pores in acne-prone individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.