CAS: 501-30-4
Appearance: Off-White Glossy Powder
Solubility: Water Soluble
Suggested Use Levels: 1-4%, 1-2% is recommended to reduce the chance of skin irritation
Formulating Guidelines: Add to the warm water phase of the formula (25-40°C/77-104°F). It can oxidize and lose some of its activity if put into hot water (>40°C/104°F). Can be combined with other skin lighteners.
pH: 3-10 (4-7 ideal)
Storage: Protect from light and store in a cool, dry location.
Shelf life: 36 mos+
- Product Description
Kojic Acid Powder: Professional-Grade Skin Brightening Solution
Kojic Acid Powder from Shaanxi Bolin Biotechnology delivers consistent results your customers will notice. Our fermentation-derived powder meets strict international standards with proven purity levels exceeding 99%. Manufactured in ISO-certified facilities spanning over 25,800 acres of controlled planting bases, each batch undergoes six-stage quality testing including HPLC analysis. With a stable 36-month shelf life and water-soluble formulation, this off-white powder integrates seamlessly into cosmetic applications at 1-4% concentrations. Since 2012, we've supplied premium Plant Extracts to global manufacturers who demand quality and consistency.

What Makes Our Product Different?
You need ingredients that work—not just marketing promises. Our powder stands out because it's manufactured under controlled conditions from raw material verification through final packaging.
Direct Enzyme Action
Unlike other brightening agents that require conversion, this ingredient works immediately. It targets tyrosinase directly by chelating copper ions at the enzyme's active site. This means your formulations deliver faster visible results.
Stable Performance
Your production schedule matters. Our product maintains stability across pH ranges from 3-10 (ideally 4-7) and integrates at moderate temperatures. Add it to your warm water phase at 25-40°C without worrying about activity loss.
Versatile Applications
One ingredient, multiple product lines. Use it in:
- Sun care products and after-sun treatments
- Anti-aging serums and creams
- Brightening lotions and spot correctors
- Color cosmetics requiring preservation
- Premium skincare formulations

Technical Specifications
| Parameter | Specification |
|---|---|
| INCI Name | Kojic Acid |
| CAS Number | 501-30-4 |
| Appearance | Off-White Glossy Powder |
| Purity | ≥99% (HPLC tested) |
| Solubility | Water Soluble |
| pH Range | 3-10 (optimal 4-7) |
| Recommended Dosage | 1-4% (1-2% preferred) |
| Storage Conditions | Cool, dry, protected from light |
| Shelf Life | 36 months minimum |
| Formulation Temperature | 25-40°C (77-104°F) |
How It Works in Your Formulations?
Understanding the science makes a difference you make superior items. This brightening specialist reversibly hinders tyrosinase activity—the key chemical in melanin generation. By chelating copper particles at the enzyme's dynamic location, it pieces pigmentation at its source.
Superior Mechanism
While competitive inhibitors like arbutin must change over to hydroquinone some time recently getting to be dynamic, our powder works straightforwardly. This coordinate activity implies speedier comes about for your conclusion users.
Temperature Considerations
Add it amid your warm water stage. Keep temperatures underneath 40°C to anticipate oxidation. This straightforward step ensures fixing action all through your fabricating process.
Combination Friendly
You can match it with other skin lighteners for upgraded impacts. It too gives antimicrobial properties that expand item rack life normally.
Manufacturing Excellence Behind Every Batch
Quality isn't an accident. It's engineered into every step.
Two Advanced Facilities
Our 2015 facility handles industrial-scale production with proven extraction technologies. Our 2024 facility adds full automation and closed-loop sustainability systems. Both maintain strict ISO standards.
Six-Stage Testing Protocol
Before Kojic Acid Powder reaches you, each batch passes:
- High-quality raw material selection
- Heavy metal and pesticide screening (EU standards)
- Microbial safety testing
- Active ingredient analysis (HPLC/UPLC)
- Supplier audit verification
- Third-party independent testing
|
Items |
Specification |
Result |
|
|
Assay |
≥98% |
98.50% |
|
|
Appearance |
White to Yellowish White Powder |
Yellowish White Powder |
|
|
Brightness |
≥68% |
75% |
|
|
Chroma |
≤BY4 |
Complies |
|
|
Moisture |
≤2.0% |
0.48% |
|
|
Loss on drying |
≤0.1% |
0.054% |
|
|
Heavy Metal |
≤4mg/kg |
0.10mg/kg |
|
|
Microbiology |
|||
|
Total Bacterial Count |
≤1000cfu/g |
<40cfu/g |
|
|
Heavy Metal |
|||
|
As |
≤1.0mg/kg |
0.10mg/kg |
|
|
Pb |
≤3.0mg/kg |
0.01mg/kg |
|
|
Cd |
≤1.0mg/kg |
0.01mg/kg |
|
|
Hg |
0.01mg/kg |
0.001mg/kg |
|
Controlled Source Materials
Our 25,800-acre planting bases grow over 800 plant species under controlled conditions. This vertical integration ensures consistent starting materials for fermentation processes.
Formulation Guidelines for Best Results
Small details make big differences in your final product quality.
Integration Steps
- Prepare your warm water phase (25-40°C)
- Add powder gradually while mixing
- Ensure complete dissolution before adding other actives
- Maintain pH between 4-7 for optimal stability
- Protect finished products from direct light
Measurement Recommendations
Start with 1-2% for touchy skin details. Increment to 4% for seriously treatment items. Lower concentrations decrease the chance of skin aggravation whereas keeping up efficacy.
What to Avoid
Don't include to hot water over 40°C. Tall temperatures cause oxidation and action misfortune. Keep wrapped up items absent from coordinate daylight amid storage.
Quality Certifications You Can Trust
We back our claims with recognized certifications. Our offices and forms meet SGS, Legitimate, HALAL, HACCP, cGMP, and ISO22000 guidelines. These aren't fair certificates on the wall—they speak to day by day operational commitments.
Third-party inspectors frequently confirm our compliance. Each certification keeps up legitimacy through continuous testing and office reviews.

Custom Manufacturing Services
Need more than raw materials? We offer complete OEM solutions.
Flexible Production Options
- Custom formulations (powders, capsules, tablets, gummies)
- Small batch capabilities for testing
- Private label services
- Full branding support including logo and package design
End-to-End Support
From concept to wrapped up item, our 80+ individual group guides your extend. Researchers create details. Generation specialists keep up quality. Coordinations masters guarantee opportune delivery.

Frequently Asked Questions
1. What is the item utilized for?
It's fundamentally utilized in restorative definitions for skin brightening and anti-aging impacts. It helps obvious sun harm, age spots, and scars whereas giving antimicrobial properties that offer assistance protect products.
2. How does it compare to other brightening ingredients?
Unlike arbutin that requires change to ended up dynamic, this fixing works straightforwardly on tyrosinase chemicals. Compared to Vitamin C subordinates, it appears lower affectability to pH and temperature changes.
3. What concentration ought to I utilize in formulations?
We prescribe 1-2% for common utilize to minimize bothering hazard. You can increment to 4% for seriously medicines. Continuously conduct solidness and security testing for your particular formulation.
4. Can it be combined with other dynamic ingredients?
Yes. It works well with other skin lighteners and cancer prevention agents. Fair keep up appropriate pH levels and dodge intemperate warm amid formulation.
5. What is the rack life of the crude material?
When put away legitimately in cool, dry conditions secured from light, the powder keeps up full movement for 36 months minimum.
Do you give specialized bolster for formulation?
Absolutely. Our R&D research facility group helps with definition questions, soundness testing direction, and application-specific recommendations.
6. What quality testing do you perform?
Every bunch experiences six stages of testing counting overwhelming metal screening (EU benchmarks), microbial security testing, and HPLC investigation for dynamic fixing verification.
7. What are the shipping and bundling options?
We offer adaptable bundling from little tests to bulk amounts. Contact Us for particular volume necessities and shipping arrangements to your area.
Partner With a Reliable Supplier
Over 80 dedicated professionals support your success. Our botanists, biochemical engineers, and industry specialists bring cutting-edge extraction technology and decades of combined experience to every order of Kojic Acid Powder.
Ready to enhance your product line with premium brightening ingredients?
Contact us today: sales1@bovlin.com














