Kojic Acid

Kojic acid (CAS 501-30-4) is a popular ingredient primarily known for its skin-lightening properties. Here are some details:

? Chemical Structure: Kojic acid is a natural compound derived from various fungi, particularly Aspergillus oryzae. Its chemical formula is C9H9O4.

? Properties:

Skin Lightening: Kojic acid inhibits the enzyme tyrosinase, which is involved in the production of melanin, giving it its skin-lightening effects.

Antioxidant: Offers protective benefits against oxidative stress, which can help improve skin health.

? Uses:

Cosmetics: Commonly found in creams, serums, and soaps aimed at reducing hyperpigmentation, dark spots, and melasma.

Food Industry: Used as a preservative and in some food coloring applications.

⚖️ Safety: Generally considered safe for topical use; however, it can cause skin irritation in some individuals. It's recommended to use products containing kojic acid in conjunction with sunscreen, as it can increase sensitivity to sunlight.

? Formulations: Often combined with other active ingredients like glycolic acid or hyaluronic acid to enhance its effects.