Arbutin is the active substance originated from natural plant which can whiten and lighten skin. It can infiltrate into the skin quickly without affecting the concentration of cell multiplication and effectively prevent activity of tyrosinase in the skin and the forming of melanin. By combined arbutin with tyrosinase, decomposition and drainage of melanin are accelerated, splash and fleck can be got ride of and no side effects are caused. It is one of the safest and most efficient whitening materials that are popular at present. It is also the most competitive whitening activity in the 21st century.
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| specifications︰ | Appearance :White needle crystal or powder
Assay: ≥99.5%
Melting point(°C): 199 ~ 202(±0.5)
pH value: 5.0~7.0(1%aqueous solution)
Heavy metal: <10ppm
Clarity of water solution:Transparency, colorless, none suspended matters
Specific optical rotation: -63~-67
Infrared signature peak : 1515cm-1 1220cm-1 1050±(5~8)cm-1
Arsenic: <2 ppm
Loss on drying: <0.5%
Hydroquinone: <10ppm
Pathogen: Bacteria count<300CPU fungus<100CPU
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