Kojic Acid

INCI Name:
Kojic Acid

Description:
This organic off-white glossy powdered acid is derived from microbiological fermentation using fungi or malting rice. It is widely used in skincare for its skin-lightening, anti-aging, and antioxidant properties, making it a popular choice in creams, lotions, serums, and soaps.

Solubility:
Soluble in water, ethanol, and acetone; sparingly soluble in ether, ethyl acetate, chloroform, and pyridine; difficultly soluble in most other liquids.

Usage Rate:
1% – 4% depending on formulation.

Recommended pH Range:
Stable around pH 4.

Applications:

• Skin-lightening creams and serums
• Lotions and soaps
• Anti-aging formulations
• Cosmetic products requiring hyperpigmentation reduction

Function:

• Inhibits tyrosinase, reducing melanin formation
• Reduces dark spots, pigmentation, and uneven skin tone
• Provides antioxidant, antibacterial, and antifungal benefits
• Acts as an anti-tumor and radioprotective agent
• Prevents oil rancidity when used as a food additive

Storage:
Store in a cool, dry place, protected from light and moisture. Keep container tightly closed to maintain potency.