Cosmetics Grade Kojic Acid is a highly purified, naturally-derived acid produced through controlled fermentation of various fungi, primarily Aspergillus oryzae. Our cosmetic-grade variant undergoes additional purification steps to remove fermentation byproducts, ensuring exceptional purity and stability suitable for sensitive skin formulations. As a potent tyrosinase inhibitor, kojic acid effectively targets hyperpigmentation by chelating copper ions at the active site of tyrosinase, preventing melanin production without affecting cell viability. This mechanism makes it one of the most effective natural brightening agents for cosmetic applications.
Manufactured under strict cosmetic GMP guidelines, our production process involves optimized fermentation conditions followed by multiple purification stages including crystallization, solvent washing, and chromatography. Special attention is given to minimizing di-kojic acid formation and other oxidation products that can cause skin irritation. The cosmetics Grade Kojic Acid powder is a fine, white crystalline powder with excellent solubility in water, glycerin, and propylene glycol. Each batch is tested for purity, heavy metal content, microbial limits, and stability under cosmetic formulation conditions, ensuring consistent performance in brightening serums, creams, and spot treatments.
Product Characteristics
Solubility: Soluble in water (approx. 1g/5mL), soluble in alcohols and glycols
pH (1% solution): 3.5-4.5
Melting Point: 152-155°C
Odor: Characteristic mild, slightly sweet odor
Stability: Sensitive to light and oxidation, requires stabilization in formulations
Test Method: HPLC for purity, UV spectroscopy for assay
High Purity & Concentration: Produced to meet precise specifications, ensuring batch-to-b consistency you can rely on.
COA
|
Item |
Specification |
Result |
|
Purity (HPLC) |
≥99.0% |
99.3% |
|
Moisture Content |
≤0.5% |
0.3% |
|
Residue on Ignition |
≤0.1% |
0.05% |
|
Heavy Metals (as Pb) |
≤5 ppm |
<2 ppm |
|
Arsenic |
≤1 ppm |
<0.5 ppm |
|
Di-Kojic Acid |
≤0.5% |
0.2% |
|
Microbial Total Count |
≤100 CFU/g |
<50 CFU/g |
|
Yeast & Mold |
≤10 CFU/g |
<5 CFU/g |
Benefits
Promotes Skin Brightness
It works by helping to regulate the production of melanin, which can reduce the appearance of dark spots and hyperpigmentation.
Provides Antioxidant Protection
Its formula helps neutralize free radicals and chelate metal ions, offering defense against environmental stressors.
Addresses Melasma
Clinical studies have demonstrated its efficacy in improving the appearance of hormonally influenced pigmentation.
Targets Sun Spots
Cosmetics Grade Kojic Acid is effective at visibly diminishing pigmentation marks caused by sun exposure.
Enhances Tone Evenness
By promoting a more balanced distribution of melanin, it works to create a uniform and harmonious skin tone.
Complements Anti-Aging Routines
When used in combination with other targeted ingredients, it helps combat visible signs of photoaging.
Application Fields
Brightening Serums: 1-2% concentrations in aqueous or hydro-alcoholic systems.
Spot Treatments: Higher concentration (2-4%) formulations for targeted application.
Whitening Creams: Incorporated into moisturizing bases for all-over brightening.
Body Lotions: Treatments for body hyperpigmentation and uneven tone.
Professional Peels: Component of cosmetic peel formulations (up to 4%).
Underarm Brightening: Formulations for underarm darkening correction.
Combination Products: Paired with arbutin, vitamin C, or niacinamide for synergistic effects.
Production Process
Product Quality Advantages
Cosmetic-Grade Specifications
Meets stringent requirements for skin sensitization and irritation potential.
01
Stability Enhanced
Special processing minimizes oxidation during storage.
02
Multiple Derivative Options
Also available as kojic acid dipalmitate for improved stability and oil solubility.
03
Global Compliance
Meets EU, US, China, Japan, and Korea cosmetic ingredient regulations.
04
Technical Support
Formulation guidance including recommended usage levels, pH ranges, and stabilization strategies.
05
Professional ODM/OEM Services
We deliver end-to-end ODM/OEM solutions for plant extracts, transforming your concepts into market-ready products through integrated expertise and in-house production.
① Cooperation Models
OEM: Faithfully reproduce your formula with guaranteed integrity and batch-to-batch consistency.
ODM: From concept to launch, we provide complete solutions including formulation, development, and compliant manufacturing.
② Key Process
Analysis & Design: Customized solutions based on your requirements
Prototyping: Sample development using advanced extraction technologies
Production: Certified manufacturing with rigorous quality control
Packaging and Service
Storage: Store in a cool, dry, and clean place. Protect from moisture and direct light.
Standard Package: 25 kg/drum.
Lead Time: Ships within 7 days after order confirmation.
Shelf Life: 2 years.
Remark: Customized packaging and specifications are available upon request.
Why choose us
Over a Decade of Expertise
With more than 15 years of specialization, we utilize in-house production and a fully integrated supply chain to provide global clients with pure, potent, and natural ingredient solutions.
Natural Purity & Quality
All raw materials are sourced from certified farms, free from pesticides, heavy metals, and synthetic additives, rigorously meeting the highest standards.
Transparent & Traceable
Through comprehensive documentation and quality control, we ensure every batch of ingredients has a clear origin, controlled processes, and reliable quality.
Advanced Technology & R&D
Continuous investment in cutting-edge extraction technology and research enhances product quality and drives innovation.
Stable Supply Assurance
A robust supply chain and strategic inventory management ensure uninterrupted production for our clients.
Long-term Partnership
We go beyond being a traditional supplier by committing to build and maintain stable, long-term collaborative relationships with our customers.
FAQ
Q: How does Cosmetics Grade Kojic Acid compare to hydroquinone?
A: It is generally considered safer with fewer side effects, though slightly less potent. It's preferred for long-term use and in markets where hydroquinone is restricted.
Q: What pH is optimal for kojic acid formulations?
A: Cosmetics Grade Kojic Acid is most stable and effective at pH 4.5-5.5. Below pH 3.5 it may degrade, above pH 6.0 it loses efficacy and may discolor.
Q:How should kojic acid be stabilized in formulations?
A: Use antioxidants (vitamin E, BHT), chelating agents (EDTA), avoid metal contaminants, use opaque packaging, and maintain acidic pH.
Q:Do you offer private labeling services?
A: Yes, we provide comprehensive private labeling and OEM services, including custom packaging solutions to support your brand development.
Q: What shipping methods are available?
A: We offer multiple shipping options including express courier, air freight, and sea freight to meet different delivery requirements and timelines.
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