Description
Kojic Acid Powder is a cosmetic raw material used in brightening and tone-evening skincare formulas. It is commonly produced through fermentation and is also available as a synthetic equivalent.
Formulators use Kojic Acid Powder in serums, creams, lotions, masks, and spot-care cosmetic products. In addition, it fits formulas that target dull-looking skin, uneven tone, and visible dark spots within cosmetic claim limits.
This ingredient is supplied as a white to off-white crystalline powder. It is soluble in water and alcohol, but it has limited solubility in oils.
This raw material is for professional cosmetic formulation only. Do not apply the raw powder directly to the skin.
Technical Information
| Specification | Details |
|---|---|
| INCI Name | Kojic Acid |
| CAS Number | 501-30-4 |
| Ingredient Type | Cosmetic brightening agent, chelating agent |
| Physical Form | White to off-white crystalline powder |
| Solubility | Soluble in water and alcohol |
| Typical Usage Level | Commonly 0.1–1.0%, depending on local regulations |
| Recommended pH Range | Commonly pH 4.0–5.5 for practical stability |
| Storage | Store tightly sealed in a cool, dry, dark place |
Key Benefits
Brighter-Looking Skin
Kojic Acid Powder helps improve the appearance of dull skin. As a result, the complexion can look brighter and more radiant.
Tone-Evening Support
This ingredient supports formulas designed for uneven skin tone. Therefore, it is suitable for brightening serums, creams, and spot-care cosmetic products.
Dark Spot Appearance Support
Kojic Acid Powder helps reduce the visible appearance of dark spots over time. In addition, it works best when used in a complete skincare routine with daily sun protection.
Antioxidant and Chelating Support
Kojic Acid also provides mild antioxidant and metal-chelating support. For this reason, formulators should protect the final product from light, air, and oxidation.
Recommended Applications
Kojic Acid Powder is suitable for:
- Brightening facial serums
- Tone-evening creams
- Dark spot cosmetic products
- Radiance masks
- Brightening lotions
- Professional skincare formulas
- Premium cosmetic brightening systems
How to Use
Dissolve Kojic Acid Powder in the water phase.
Keep the formula pH around 4.0–5.5 when possible.
Avoid long exposure to high heat.
Also, protect the formula from light and air.
Use suitable antioxidants and protective packaging to reduce discoloration.
Furthermore, test the final formula for stability, color change, safety, and compatibility before launch.
Formulation Tips
Kojic Acid can darken when exposed to oxygen, light, heat, or unsuitable pH. Therefore, good stabilization is important.
Airless or opaque packaging is recommended.
In addition, formulators should check compatibility with metals, strong oxidizers, high-pH systems, fragrances, botanical extracts, and exfoliating acids.
For sensitive-skin products, use Kojic Acid carefully. Strong exfoliating systems may increase irritation risk.
Cosmetic Mechanism of Action
Kojic Acid helps improve the appearance of uneven tone by interacting with copper in the tyrosinase pathway. This supports a brighter and more even-looking complexion.
However, brands should present it as a cosmetic brightening ingredient only. It is not a drug, skin disease treatment, or medical depigmenting therapy.
Suggested Cosmetic Claims
Suitable claims:
- Supports brighter-looking skin
- Helps improve the appearance of uneven tone
- Helps reduce the visible appearance of dark spots
- Promotes a more radiant complexion
- Ideal for brightening skincare
- Suitable for tone-evening formulas
- Helps improve skin clarity
Avoid these claims unless strongly substantiated and legally reviewed:
- Treats melasma
- Removes pigmentation
- Bleaches the skin
- Medical skin whitening
- Treats hyperpigmentation
- Prevents melanin production completely
- Cures dark spots
Regulatory Notes
Kojic Acid is a cosmetic ingredient. However, final product compliance depends on the target market, product type, concentration, safety assessment, and marketing claims.
Some markets restrict Kojic Acid concentration in cosmetic products. Therefore, brands must check local regulations before launch.
This raw material is not for oral, injectable, medical, pharmaceutical, or direct consumer use.
Product Advantages
- Cosmetic-grade Kojic Acid Powder
- Suitable for brightening skincare
- Supports tone-evening formulas
- Water-soluble and easy to incorporate
- Suitable for serums, creams, lotions, and masks
- COA, TDS, and MSDS available upon request
Overall, Kojic Acid Powder is a strong choice for brands that want cosmetic brightening products for radiant, even-looking, and smoother-looking skin.
Shipping Information
Free worldwide shipping.
Estimated delivery time: 10–15 business days, depending on destination and logistics conditions.
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