Description
Kojic Acid Powder is a widely used cosmetic raw material recognized for its skin-brightening and tone-evening properties in advanced cosmetic formulation. Derived through fermentation of certain fungi (such as Aspergillus species), this skincare ingredient is valued for its ability to visibly improve uneven skin tone within cosmetic regulatory limits.
INCI Name: Kojic Acid
CAS Number: 501-30-4
Chemical Classification: Fungal-derived organic acid (chelating agent; tyrosinase inhibitor)
Physical Form: White to off-white crystalline powder
Origin: Biotech-fermentation derived (also available synthetic equivalent)
Solubility: Soluble in water and alcohol; limited solubility in oils
Typical Usage Level: 0.1–1.0% (depending on regional regulations)
pH Stability Range: 3.0–6.5 (most stable around pH 4.0–5.5)
Storage Conditions: Store tightly sealed, dry, protected from light and heat; below 25°C recommended
Supplied as cosmetic grade material for professional use, Kojic Acid is intended strictly for topical personal care applications.
Key Benefits in Cosmetic Formulation
Kojic Acid Powder is extensively documented in cosmetic science literature for brightening systems.
Helps reduce the appearance of uneven pigmentation
Promotes brighter-looking skin
Supports a more uniform complexion
Provides mild antioxidant activity
Acts as a metal-chelating agent to improve formulation stability
Mechanism of Action (Cosmetic Level):
Kojic Acid interacts with copper ions in the tyrosinase enzyme system, helping reduce melanin formation within cosmetic limits. This results in visibly improved tone uniformity without making drug or therapeutic claims.
How to Use in Cosmetic Formulation
Recommended usage level of Kojic Acid Powder
Serums: 0.5–1.0%
Creams/Lotions: 0.2–1.0%
Spot treatments: up to 1.0% (verify local regulations)
How to use Kojic Acid Powder in skincare
Dissolve in the water phase before emulsification.
Maintain formulation pH between 4.0–5.5 for stability.
Avoid prolonged heating above 60°C.
Use antioxidants and airless packaging to minimize discoloration.
Kojic Acid Powder in cosmetic formulation should be protected from oxidation, as it may darken when exposed to light or air.
Applications
Brightening serums
Tone-correcting creams
Dark-spot cosmetic products
Radiance-enhancing masks
Professional aesthetic skincare systems
Ideal for manufacturers seeking to buy Kojic Acid Powder cosmetic grade bulk from a reliable bulk supplier serving OEM, ODM, and R&D operations.
Technical Specifications
Appearance: White crystalline powder
Odor: Slight characteristic
Solubility: Water-soluble
Recommended pH: 3.0–6.5
Stability: Light and oxidation sensitive
Compliance: Cosmetic grade, topical use only
Why Choose Us as Your Bulk Cosmetic Raw Material Supplier
As a trusted bulk supplier of high-quality cosmetic raw materials, we provide:
Verified cosmetic grade purity
COA, TDS, MSDS documentation
Batch traceability
Regulatory support
Technical guidance for cosmetic formulation
Our team supports professional use manufacturers integrating this personal care ingredient into scalable skincare systems.
Shipping Information
Free shipping worldwide. Shipping remains free permanently. Delivery time: 10–15 business days.
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