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Kojic acid Powder Purity ≥99.0% | CAS# 501-30-4 | C6H6O4 | White Powder | Kojic acid can inhibit the synthesis of tyrosinase and is used in cosmetics.


Kojic acid can inhibit the synthesis of tyrosinase, so it can strongly inhibit the formation of melanin in the skin. Therefore, Kojic acid has been formulated into lotions, facial masks, lotions, and skin creams to make high-end skin-beautifying cosmetics. 

Supply high purity 98% Kojic Acid, CAS 501-30-4, Powder Sales

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Kojic acid at a concentration of 20UG/ML can inhibit 70~80% of the activity of a variety of tyrosinase (or polyphenol oxidase PPO). The general addition amount in cosmetics is 0.5~2.0%. Kojic acid is a chelation agent produced from different types of fungi. Kojic acid can produce excellent effects in even toning the skin, fighting age spots, pregnancy marks, freckles as well as general skin pigmentation disorders of the face and body.

  • kojic acid powder wholesale
  • Cas#: 501-30-4
  • Other names: Kojic acid, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, 2-Hydroxymethyl-5-hydroxy-γ-pyrone; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
  • Molecular formula: C6H6O4


  • Kojic acid is used to treat skin diseases like melasma.
  • Kojic acid also has antibacterial and antifungal properties.
  • kojic acid reduction of dark spots can have an anti-aging effect.
  • Decrease the appearance of scars.

The cocrystals of kojic acid with quercetin were found to have two times better cytotoxic activity to human cervical cancer cells (HeLa) and human colon cancer cells (Caco-2) in comparison with quercetin itself.


Kojic acid is a chelation agent produced by several species of fungi, especially Aspergillus oryzae, which has the Japanese common name koji. Kojic acid is a by-product in the fermentation process of malting rice, for use in the manufacturing of sake, the Japanese rice wine. Kojic acid is acclimated in aliment and cosmetics.

It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It is used on cut fruits to prevent oxidative browning, in seafood to preserve pink and red colors, and in cosmetics to lighten skin. Kojic acid also has antibacterial and antifungal properties.It is also used in skin diseases like

It has been successfully used to lighten pigment spots and skin discoloration and considered as a kind of popularly specialized inhibitor for melanin. At present, it is assigned into various kinds of cosmetics for curing freckles, spots on the skin of elder men, pigmentation and acne.

On a molecular level, melanin is produced in the body from the conversion (in several steps) of the amino acid tyrosine. The conversion requires the enzyme known as tyrosinase. Kojic acid can prevent the tyrosinase activity through synthesizing reaction with its antioxidant properties after penetrating upper skin layers and entering skin cells to inhibit the formation of pigment at the deep cells on the skin.

Kojic acid can produce excellent effects in even toning the skin, fighting age spots, pregnancy marks, freckles as well as general skin pigmentation disorders of face and body.

Additional information

Product Name

Kojic acid



Molecular Formula



5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one, 5-Hydroxy-2-(hydroxymethyl)-4-pyrone, 5-hydroxy-2-(hydroxymethyl)pyran-4-one


White Powder

Grade Standard

Cosmetic Grade


Purity ≧99%


Cosmetic Raw Materials, Skin Care Products


Available For Your Reference

Shipping Details

Customized, FOB, CIF, D2D

Additional Service

Supply, ODM/OEM, Wholesale


A cool (2~8 ) & dry place protected from light, keep package close.

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Our factory

Green Stone Swiss Co ., Limited has always focused on the supply of beauty, nutritional, and healthy ingredients (Kojic acid supply). We mainly devote to the sale popularizing and research and services of natural products and promoting the development of the natural herbal industry.

Xiamen, Shanghai; China

Business Type
Kojic acid Manufacturer, Marketing
Industry Experience

Over 20 Years of Supply Experience

Main Markets
  • North America 51.00%
  • Western Europe: 10.00%
  • Northern Europe: 10.00%
Business Advantage

Support Formula Customization/ODM/OEM




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