Kojic Acid
Also known as: 2-Hydroxy-4H-pyran-4-one, Kojic acid dipalmitate
A fungal-derived ingredient that inhibits tyrosinase to reduce dark spots and uneven skin tone.
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Get the appWhat it does
Kojic acid works by inhibiting the enzyme tyrosinase, which is responsible for melanin production. It effectively reduces hyperpigmentation, age spots, and melasma by preventing melanin synthesis rather than removing existing pigment. Results typically appear gradually over weeks of consistent use.
Benefits
- Reduces hyperpigmentation and dark spots
- Helps fade melasma and post-inflammatory marks
- Gentle alternative to hydroquinone for brightening
- Antioxidant properties protect against environmental damage
- Generally well-tolerated by most skin types
Who it suits
- Hyperpigmented skin
- Melasma-prone skin
- Sun-damaged skin with discoloration
- Uneven tone
- Post-inflammatory hyperpigmentation
How to use
Apply in serums or creams at 0.5-2% concentration once or twice daily after cleansing. Introduce gradually and always use sunscreen during the day.
Pairs well with
Niacinamide, Vitamin C, Sunscreen (SPF 30+), Glycerin
Be careful pairing with
High-strength vitamin A (may increase irritation), None notably problematic
Safety & cautions
Kojic acid can cause contact dermatitis or irritation in sensitive individuals, particularly at concentrations above 1-2%. It may increase sun sensitivity, so daily SPF 30+ is essential during use.
Educational information, not medical advice. Concentration and formulation change how an ingredient behaves.