Alpha Arbutin Powder

Shaanxi Rebecca Biotechnology Co., Ltd. offers collaboration excellence in addition to ingredients. Our cutting-edge facility combines strict quality control procedures with cutting-edge high-temperature drying and ultra-fine grinding technology.

Our Core Strengths:

Advanced R&D Capabilities: Committed research team with expertise in stabilizing chemistry and glycoside purification

Precision Manufacturing: Strict hydroquinone control techniques combined with multi-stage recrystallization processes

In-house spectroscopic analysis, GC-MS, and HPLC are all part of the extensive testing infrastructure for each production batch.

Global Compliance: certifications in ISO9001, ISO22000, FSSC22000, HACCP, HALAL, and KOSHER

Flexible Customization: OEM/ODM services with customizable particle sizes and purity grades

A responsive supply chain is a global logistics network that guarantees safe and prompt delivery.

Your formulation challenges require a supplier who understands both chemistry and business. We provide that complete solution.

Starting Materials: Starting Materials: We purchase our enzymatic synthesis precursors from vendors of food-grade glucose and certified pharmaceutical-grade hydroquinone. Before processing, each batch of raw materials is purified by distillation to remove phenolic contaminants.

Supply Chain Integrity: Strict vendor qualification procedures are followed in our purchase. Each inbound shipment is accompanied by third-party testing certificates and material origin paperwork.

Grade Classification:

· Standard Export Grade (≥99.0%): Ideal for conventional brightening cosmetics, meets Chinese and EU CosIng regulations

· High-Purity Pharmaceutical Grade (≥99.5%): Designed for premium serums, post-procedure formulations, and strict regulatory markets

· Cyclodextrin-Encapsulated Modified Grade: Custom solution for transparent aqueous systems requiring enhanced stability

Solubility Characteristics:

Our Alpha Arbutin Powder dissolves readily in cold water (≈151 g/L at 25°C) and exhibits excellent compatibility with ethanol, propylene glycol, and glycerin. Hot water further improves dissolution rates. However, it shows limited solubility in non-polar oils, requiring proper emulsification techniques in oil-phase formulations.

Stability Parameters:

· Thermal Stability: is stable at processing temperatures below 60°C; to prevent glycoside hydrolysis, avoid extended exposure above 75°C.

· pH Sensitivity: pH 4.5–6.0 is ideal for stability; strong acids (pH<3.5) speed up hydrolysis, whereas alkaline conditions (pH>7.5) cause quick oxidation.

· Metal Ion Reactivity: Browning is caused by chelates containing Cu²⁺ and Fe³⁺; formulations need to contain EDTA or comparable chelating agents.

· Light Protection: UV exposure causes progressive oxidation; amber or opaque packing is advised. Stable in dark storage

· Moisture Control: Maintains stability when packed in aluminum foil pouches within cardboard drums; slightly hygroscopic

Our production methodology emphasizes configuration-specific synthesis and ultra-trace hydroquinone control.

Step 1 - Raw Material Pretreatment: Vacuum distillation is used to eliminate tar and colored contaminants from pharmaceutical-grade hydroquinone. To avoid adverse reactions, glucose sources undergo sterile filtering and enzymatic preparation.

Step 2 - Enzymatic Synthesis: Immobilized glycosyltransferase enzymes accelerate the particular creation of the alpha configuration when feed materials enter temperature-controlled bioreactors. Conversion rates are tracked by real-time HPLC monitoring. Beta-isomer production, which is common in chemical synthesis pathways, is eliminated by this low-temperature process.

Step 3 - Enzyme Recovery & Filtration: Immobilized enzymes are separated and recycled by nanofiltration membranes, which also eliminate macromolecular contaminants such as proteins and polysaccharides.

Step 4 - Decolorization & Concentration: Oxidized colored compounds are eliminated by low-temperature activated carbon treatment in the dark. Crude arbutin solution without thermal degradation is produced by vacuum concentration below 45°C.

Step 5 - Gradient Recrystallization: Water-ethanol solvent systems with regulated cooling are used in the core purification stage. To obtain less than 1 ppm hydroquinone, premium high-purity grade goes through three cycles of recrystallization in addition to precision membrane refining, whereas standard grade goes through two rounds.

Step 6 - Crystallization Washing & Drying: Surface contaminants are eliminated by countercurrent cold solvent washing. Vacuum drying at low temperatures—below 50°C—preserves glycosidic integrity while preventing discolouration.

Step 7 - Optional Cyclodextrin Inclusion: Beta-cyclodextrin complexation during high-pressure homogenization improves resistance to metal ions and temperature changes for water-soluble modified grades.

Step 8 - Particle Size Control: Consistency across high production volumes is ensured by three-dimensional batch homogenization after precision screening to 80–200 mesh standards.

Step 9 - Quality Testing & Packaging: Prior to vacuum-sealed aluminum foil packaging, each batch is thoroughly tested for alpha-content, beta-isomers, free hydroquinone, heavy metals, solvent residues, and microbiological limits.

Primary Cosmetic Applications:

· Brightening serums and spot-correcting treatments

· Even-tone facial creams and ampoules

· Post-acne hyperpigmentation repair lotions

· Medical-grade depigmentation dressings

· Body brightening formulations

· Pre-sunscreen primers with melanin control

· Transparent toners for wet compress applications

Key Functional Benefits:

· Competitive tyrosinase inhibition without cytotoxicity

· Superior stability compared to Vitamin C derivatives

· Non-photosensitizing for daytime use

· Synergistic effects with hyaluronic acid and niacinamide

· Enhanced skin barrier function support

· Suitable for sensitive skin formulations

Certification Framework: The ISO9001, ISO22000, FSSC22000, HACCP, and cGMP standards are all included in our quality management. For a variety of market demands, products are certified HALAL, KOSHER, NOP, and EOS.

Testing Capabilities: internal lab with GC-MS, ICP-MS, UV-Vis spectrophotometry, and HPLC equipment. Complete analytical testing is performed on each production batch, including hydroquinone residue quantification, isomer profiling, and specific rotation verification.

Traceability System: entire chain of paperwork, from the certification of raw material suppliers to the CoA of the final product. Complete backward traceability to source materials and processing settings is made possible by batch coding.

Third-Party Validation: SGS and independent laboratories conduct routine audits to verify adherence to worldwide solvent residue standards, EU EC396, and EU 2023/915.

Standard Packaging: Inner layer features light-proof vacuum-sealed aluminum foil bags. Outer protection consists of moisture-proof cardboard drums containing 25kg net weight. This dual-layer system ensures 24-month shelf life under proper storage.

Custom Options: Smaller sample sizes, different container materials, and bespoke labeling for OEM partners are just a few of the unique packaging demands we can fulfill. Ultra-sensitive compositions can be packaged in a modified environment.

Shipping Methods: The global logistics network offers air express for urgent needs and sea freight for large purchases. Transport with temperature control is provided upon request. Every shipment complies with IATA/IMDG requirements and has the appropriate documentation for hazardous materials.

Q: Can you control hydroquinone below EU limits with verified CoA data?

A: Yes. Our multi-stage recrystallization achieves either 10ppm or 1ppm internal control standards. Each CoA separately lists alpha-content, beta-isomer levels, and free hydroquinone values for full SCCS compliance.

Q: How do you prevent batch-to-batch variation in color and purity?

A: Starting materials undergo pre-grouping and testing. Our standardized recrystallization protocol plus finished product bulk homogenization controls isomer ratios, hydroquinone content, and chromatic differences within tight tolerances suitable for industrial-scale production.

Q: Does higher purity grade resist discoloration better in transparent formulations?

A: Absolutely. Our ≥99.5% pharmaceutical grade contains fewer colored precursors, offering superior resistance to oxidative browning. We provide specific guidance on chelating agent selection and metal impurity control for long-term aqueous system stability.

Ready to elevate your formulations with premium Alpha Arbutin Powder?

For comprehensive specifications, sample requests, and tailored solutions, get in touch with our technical staff at information@sxrebecca.com.

From concept to commercialization, we are here to help you build your product.