Kojic Acid

Kojic Acid
Details:
Kojic acid is a naturally derived compound produced through the fermentation of rice, sake, and certain fungi, primarily Aspergillus oryzae. It works by inhibiting tyrosinase, the enzyme responsible for melanin production in the skin.
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Description
Technical Parameters

Overview

 

Kojic acid is a naturally derived compound produced through the fermentation of rice, sake, and certain fungi, primarily Aspergillus oryzae. It works by inhibiting tyrosinase, the enzyme responsible for melanin production in the skin.

 

Technical Specifications

 

Parameter

Specification

Product Name

Kojic Acid / Kojic Acid Dipalmitate

CAS Number

501-30-4 (Kojic Acid) / 39836-47-4 (Kojic Acid Dipalmitate)

Appearance

White to Off-White Crystalline Powder

Purity (HPLC)

≥99.0%

Grade

Cosmetic Grade / USP Grade Available

Particle Size

80–120 Mesh Standard

Solubility

Water & Ethanol Soluble (Kojic Acid); Oil Soluble (Kojic Acid Dipalmitate)

Heavy Metals

≤10 ppm

Lead (Pb)

≤2 ppm

Loss on Drying

≤0.5%

Melting Point

152–155°C

Storage Condition

Store Below 25°C in a Cool, Dry Place Away from Light

Shelf Life

24 Months

 

Key Features

 

Fermentation-Derived Source: Produced via Aspergillus oryzae fermentation of rice substrate, providing non-animal origin documentation to support clean-beauty botanical claims.

 

Tyrosinase Inhibition Mechanism: Directly binds to the copper ions of tyrosinase to block melanin synthesis, backed by a complete biochemical pathway dossier for regulatory validation.

 

Discoloration-Resistant Encapsulation Grade: Available microencapsulated grade delays active degradation, preventing finished cream yellowing and reducing shelf-life commercial complaints.

 

High-pH Soap Stability: Chemically verified to withstand cold-process soap manufacturing without active degradation or batch browning during alkaline shifts (pH 9–11).

 

Controlled Particle Size: Standardized 80–120 mesh distribution ensures rapid dissolution during high-shear emulsification, eliminating gritty textures in finished serums.

 

Applications

 

Target Matrix: Optimized for hyperpigmentation treatments, localized dark spot correctors, and clear-complexion soap bars.

 

Compatibility: Stable alongside Niacinamide, Alpha Arbutin, and derivative Vitamin C; requires chelating agents (e.g., Phytic Acid) to prevent iron/copper complexation discoloration.

 

PH Range & Solubility: Maintains structural integrity within pH 3.5–5.5 in aqueous systems; use Kojic Acid Dipalmitate grade for anhydrous or high-oil formulations.

 

Manufacturing Capabilities

 

Production Scale: 1,200 metric tons annual production capacity across three parallel fermentation lines to secure uninterrupted bulk contractual supply chains.

 

Assay & Traceability: Minimum 99.0% purity verified by HPLC, with full upstream lot tracking from rice substrate through crystallization, open to customer audits.

 

Site Certification: Facilities operate under validated ISO 9001:2015 and ISO 22716 (Cosmetic GMP) quality management systems.

 

Independent Auditing: Annual SGS testing reports for heavy metals and microbiological limits accompany internal batch COAs for every shipment.

 

Supply Chain & Logistics

 

Sample Program: Complimentary 50g, 100g, or 500g technical evaluation samples dispatched within 24–72 hours with matching batch COA for R&D validation.

 

Commercial MOQ: Standard commercial MOQ starts at 25 kg fiber drums, with 100 kg freight tiers and 1-ton annual rolling contract options.

 

Lead Time: Typical dispatch within 5–7 business days for stocked inventory; custom production or specific particle-size milling requires 3–4 weeks.

 

Packaging Options: Sealed in high-barrier aluminum foil bags or double PE-lined fiber drums to prevent moisture-induced caking and raw material yellowing, guaranteeing zero assay degradation before compounding.

 

Global Compliance Document: Guaranteed export clearance with complete lot-specific COA, SDS, and Certificates of Origin to eliminate customs delays and prevent terminal demurrage charges.

 

Compliance & Certifications

 

Technical Dossier Packet: Every shipment includes batch-specific COA, SDS, Certificate of Origin, and validated Allergen, IFRA, and Vegan statements.

 

Global Registrations: REACH registered (10–100 MT tonnage band) for EU compliance; fully meets US FDA cosmetic ingredient listing parameters.

 

Market Entry: Technical documentation dossiers are pre-formatted to assist with China NMPA safety and technical ingredient registrations.

 

FAQ

 

Q: Can you provide different grades for specific formulation requirements?

A: Yes. Standard Kojic Acid, microencapsulated Kojic Acid, and Kojic Acid Dipalmitate grades are available depending on formulation type, stability requirements, and desired product positioning.

Q: Can Kojic Acid be supplied with customized particle sizes?

A: Yes. Customized milling and particle-size distribution can be arranged for customers requiring faster dissolution, improved dispersion, or specific processing performance.

Q: Can packaging be customized for OEM projects?

A: Yes. Private label projects can be supplied in customized packaging formats, including jars, tubes, airless pumps, dropper bottles, and retail-ready cartons.

Q: What payment terms are available for commercial orders?

A: Payment terms can be discussed based on order volume, purchasing history, and long-term cooperation agreements.

Q: Are customer audits and facility inspections accepted?

A: Yes. Qualified customers may arrange factory audits, quality system reviews, and production site inspections by appointment.

 

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