Kojic Acid sits in the brightening category, but the reason it works is specific. Chelates copper from tyrosinase active site, inhibiting melanin synthesis.
The scientific name is Kojic Acid. Chelates copper from tyrosinase active site, inhibiting melanin synthesis. This mechanism is consistent across properly formulated products, which means the real variable is concentration and delivery system.
Typical working concentration is 1–4%. Best suited to all skin types skin. Primary applications: hyperpigmentation, dark spots, melasma.
Works well with: Vitamin C, alpha arbutin, niacinamide. Avoid combining with: Benzoyl peroxide, hydrogen peroxide.
Derived from fungi (Aspergillus); can cause sensitisation at high concentrations.