Kojic Acid Powder

Kojic acid is a plant-derived skin-brightening ingredient produced through the fermentation of rice, soy, and certain types of fungi. It is widely used in skincare for its ability to reduce the appearance of dark spots and promote a more even, radiant complexion.

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Benefits & Uses of Kojic Acid

1. Brightens Overall Skin Tone

Kojic acid helps inhibit tyrosinase, the enzyme responsible for melanin production. This makes it effective for lightening and evening skin tone.

2. Fades Dark Spots & Hyperpigmentation

Commonly used to treat:

Sun spots

Age spots

Melasma

Acne marks/post-inflammatory hyperpigmentation

3. Supports Anti-Aging Solutions

By reducing pigment buildup and promoting a clearer complexion, kojic acid helps skin look smoother and more youthful.

4. Helps Reduce the Appearance of Scars

It can gradually lighten pigmented scars, improving overall skin clarity.

5. Works Well in Layered Formulas

Kojic acid pairs well with ingredients like:

Vitamin C

Niacinamide

Hyaluronic acid

Alpha arbutin

Licorice root extract

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Recommended Usage Rates for Skincare Formulations

Leave-On Products

Product Type Usage Rate

Serums 1% (commonly 0.5–1%)

Creams & Lotions 0.5–1%

Spot Treatments 1%

Rinse-Off Products

Product Type Usage Rate

Cleansers 1–2% (higher levels tolerated because it’s rinsed away)

Soaps 1–2%

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Formulation Guidelines

Kojic acid is water-soluble.

It is most stable at a pH of 4.0–7.0.

Works best when stored in opaque, air-tight packaging to prevent oxidation.

A stabilized form, such as kojic acid dipalmitate.

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