Alpha-Arbutin is a whitening cosmetic ingredient, which promotes lightening and an even skin tone on all skin types and minimizes liver spots. What’s more, it can reduce the degree of skin tanning after UV exposure.
Items
Standards
Appearance
White crystals or crystalline powder
Specific rotation
+174.0° ~ +186.0°
Assay
≥99.0%
Loss on drying
≤0.5%
Ignition residue
PH value (1% solution)
5.0 - 7.0
Clarity of 1% water solution
Transparent, colorless
Melting point
202.0~212.0℃
Hydroquinone
None
Heavy metals (as Pb)
≤10 ppm
Arsenic
≤2 ppm
Mercury
≤1 ppm
Methanol
≤2000 ppm
Total bacterial count
≤1000 CFU/g
Mold & Yeast
≤100 CFU/g
Fecal coliforms
Negative
Pseudomonas aeruginosa
Staphylococcus aureus
Spec-Chem Ind.
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