Kojic Acid Complex is a tyrosinase-inhibiting compound derived from fungal fermentation, used to reduce hyperpigmentation, melasma, and uneven skin tone. It is often combined with other brightening agents to enhance stability and efficacy.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation (redness, stinging, itching) | Common | Most often at higher concentrations or with frequent application. |
| Contact dermatitis | Uncommon | Kojic acid is a recognized sensitizer and can cause allergic reactions in predisposed individuals. |
| Increased photosensitivity | Uncommon | Sunscreen use is advised during treatment. |
| Dryness or peeling | Uncommon | More likely in combination formulations. |
| Paradoxical hyperpigmentation | Rare | Reported with prolonged or high-dose use, sometimes linked to irritation. |
| Exogenous ochronosis | Very rare | Bluish-black discoloration associated with long-term use, more documented with hydroquinone. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.