Alpha Arbutin Manufacturer | 99% Pure Bulk Powder | Wholesale Biosynthetic Grade
CAS 84380-01-8 • GMP Certified • Specific Rotation Verified Isomer
Global Industrial Supply of High-Stability Alpha Arbutin Solutions.
As the life-science division of Zhonghong Group, Exbiol® leverages 29 years of phytochemical engineering to provide premium Alpha Arbutin powder. We resolve the industry’s most critical challenge: ensuring zero hydroquinone contamination while maintaining 100% α-isomer purity. We specialize in bulk supply for global dermaceutical brands, offering a functional active that is 10x more effective than Beta Arbutin. Our GMP-certified facility ensures audit-ready documentation (MSDS, TDS, COA) for Tier-1 cosmetic manufacturing.
1. What is Alpha Arbutin?
Alpha Arbutin (4-Hydroxyphenyl-α-D-glucopyranoside) is a biosynthetic skin-brightening active. Unlike its beta counterpart, the alpha isomer is produced via enzymatic transglycosylation, ensuring a higher affinity for tyrosinase inhibition and superior molecular stability in aqueous formulations. It is the gold standard for high-end “brightening” and “anti-spot” professional skincare.
2. Technical Specifications (Physicochemical)
| Testing Item | Standard / Specification |
|---|---|
| Assay (HPLC) | ≥ 99.5% |
| Specific Rotation [α]D20 | +175.0° ～ +185.0° (Verification of Alpha Isomer) |
| Melting Point | 202℃ ～ 206℃ (±0.5℃) |
| Solubility | Soluble in water (150g/L at 25°C) |
| Residual Hydroquinone | < 10 ppm (Strict Safety Control) |
3. Source & Manufacturing Origin
Our Alpha Arbutin is not extracted from bearberry, which often contains high levels of Beta Arbutin and impurities. Instead, it is synthesized through enzymatic transglycosylation. This biotechnological approach allows for high stereoselectivity, producing a pure alpha-isomer that is biologically 10 times more active than its natural or synthetic beta-isomer counterparts.
4. Mechanism of Action
Alpha Arbutin acts as a competitive inhibitor of tyrosinase. It functions by inhibiting the oxidation of L-tyrosine and L-DOPA. Due to the α-glucosidic linkage, it offers higher stability and better penetration compared to other arbutin forms. It does not affect the gene expression of tyrosinase but effectively blocks its enzymatic activity, preventing melanin synthesis without cellular toxicity.
5. Industrial Application Benefits
- Functional Property: May support the evening of skin tone and reduction of UV-induced pigmentation.
- High Stability: More resistant to hydrolysis compared to Beta Arbutin.
- Safety Profile: Significantly lower risk of skin irritation than hydroquinone.
- Compatibility: Works synergistically with Vitamin C, Niacinamide, and AHAs.
6. Usage & Formulation Guide
Recommended Dosage: 0.2% – 2.0% for leave-on products.
pH Stability Range: Must be maintained between pH 3.5 – 6.5. Below pH 3.5, Alpha Arbutin may undergo hydrolysis into hydroquinone.
Process Temperature: Add to the aqueous phase. Stability is maintained up to 60°C, but for industrial batches, adding during the cooling phase (<45°C) is recommended.
7. Industrial Evolution: From Hydroquinone to Alpha Arbutin
The cosmetic industry has evolved from toxic hydroquinone (banned in many markets) to Beta Arbutin (low stability/efficacy) and finally to Alpha Arbutin. As a third-generation brightening agent, Alpha Arbutin meets the modern consumer demand for “Clean Beauty” while satisfying the formulator’s need for high-performance efficacy.
8. COA & Quality Control Specifications
Heavy Metals & Chemical Purity
| Analysis | Specification | Method |
|---|---|---|
| Lead (Pb) | < 2.0 ppm | ICP-MS |
| Arsenic (As) | < 1.0 ppm | ICP-MS |
| Residual Solvents | Meets Eur. Ph. / USP | GC-MS |
Microbiological Standards
| Analysis | Standard | Method |
|---|---|---|
| Total Plate Count | < 100 cfu/g | USP <61> |
| Yeast & Molds | < 10 cfu/g | USP <61> |
9. Manufacturing Flow Description
Substrate Preparation (Hydroquinone & Glucose) → Enzymatic Biocatalysis → Heat Inactivation → Multi-stage Activated Carbon Decolorization → Vacuum Concentration → Crystallization (Proprietary Isomer Separation) → Centrifugal Filtration → Drying (Vacuum) → Micronization → 10,000 Grade Clean Room Packaging.
10. Storage & Packaging
Bulk Packaging: 1kg/aluminum foil bag; 25kg/cardboard drum.
Standard Storage: Keep in a cool, dark, and dry place. Shelf life is 24 months when stored in unopened original packaging away from light and humidity.
11. MOQ, Samples & Global Logistics
MOQ: 1kg (Small trial order supported).
Sample Policy: 50g free sample available for laboratory evaluation (Shipping cost applies).
Global Logistics: Door-to-door delivery via FedEx/DHL (5-7 days) or bulk air/sea freight from Shanghai/Guangzhou ports.
12. Research & Clinical Data (Non-Medical)
In-vitro studies show that Alpha Arbutin exhibits 10 times higher tyrosinase inhibition efficacy than Beta Arbutin at the same concentration (1.0% Alpha vs 1.0% Beta). It has been observed in functional tests to improve skin luminosity significantly within 8 weeks of topical application.
13. Applicable Industries
Derma-Cosmetics
Personal Care OEM
14. B2B Application Scenarios
Designed for professional-grade formulations such as High-Concentration Brightening Serums, Night Creams for Hyperpigmentation, Under-eye Brighteners, and Post-Procedure Skin Tone Balancers.
15. Strategic Formulator Solutions
For brands targeting the Asian and Middle Eastern markets, Alpha Arbutin is the primary active choice due to its stability in higher temperature climates and its proven efficacy on Fitzpatrick skin types III-VI.
16. Alpha Arbutin Procurement Guide: Factory Verification
Avoid the “Beta Contamination” Risk:
Always request the Specific Rotation data. If the value is below +175°, the material is likely contaminated with Beta Arbutin or filler. Exbiol® guarantees +175° to +185° for every batch.
17. Technical FAQ for B2B Buyers
Q: Why is Alpha Arbutin more expensive than Beta Arbutin?A: Alpha Arbutin is produced via a complex enzymatic process rather than simple chemical synthesis or plant extraction, requiring high-purity enzymes and precision control of isomers.
Q: Is Alpha Arbutin safe for pregnancy?A: Most cosmetic safety databases list Alpha Arbutin as low risk. However, we advise all brands to conduct their own safety assessments based on final concentration.
Q: Can Alpha Arbutin be used during the day?A: Yes. Unlike Retinol, Alpha Arbutin is not photosensitive. However, we recommend formulators combine it with SPF protection for maximum spot-reduction results.
18. References & Regulatory Sources
- SCCS (Scientific Committee on Consumer Safety) – Opinion on Arbutins (SCCS/1642/22).
- Journal of Investigative Dermatology – Tyrosinase Inhibition Studies.
- USP-NF / European Pharmacopoeia (EP) Ingredient Database.
- FDA Cosmetics Ingredient Hotlist (Compliance Verification).
Alpha Arbutin Manufacturing & Global Logistics
Manufactured by Exbiol® (Shaanxi Zhonghong Investment Technology Co., Ltd.), a GMP-certified specialist in high-purity biosynthetic actives for the global beauty industry.
✔ 99.9% Alpha Isomer Guaranteed
✔ Batch Traceability & Full COA
✔ Bulk Stock for Immediate Shipping
📧 sales@exbiol.com |
🌐 www.exbiol.com
