| Customization: | Available |
|---|---|
| Powder: | Yes |
| Customized: | Customized |
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Arbutin, originally derived from natural green plants, is a skin whitening active substance that combines the concepts of "green", "safe", and "efficient". Arbutin is an ideal whitening agent for whitening cosmetics, with two optical isomers: α The isomer with biological activity is a type of isomer. At room temperature, it is a white powder that is easily soluble in water, ethanol, and aqueous solutions of glycerol. It is added to many whitening and skincare products. It is named after its discovery from the leaves of the genus Ursa in the family Rhododendron. Later, it was found in the leaves of plants such as the Vaccinium in the family Rhododendron, the Pear tree in the family Rosaceae (Western pear, small mountain pear), and the Tiger Ear Grass in the family Tiger Ear Grass. After extraction, it is used as a medicinal and cosmetic additive.
| Items | Specifications | Results |
| Appearance | White | Brown powder |
| Identification | Positive | Complies |
| Assay | 98 | 98.5% |
| Ash | ≤5.0% | 2.55% |
| Loss on drying | ≤5.0% | 1.20% |
| Ignition residue | ≤2.0% | 0.25% |
| Heavy metals | ≤10ppm | Complies |
| Pb | ≤2.0ppm | Complies |
| As | ≤2.0ppm | Complies |
| Odor | Characteristic | Complies |
| Particle size | 100%through 80 mesh | Complies |
| Microbioiogical: | ||
| Total of bacteria | ≤1000cfu/g | 100cfu/g |
| Fungi | ≤100cfu/g | Complies |
| Salmgosella | Negative | Complies |
| Coli | Negative | Complies |
| Conclusion |
Conform with USP/FCC/E302 specification |
|
| Storage condition | Store in cool & dry place, Do not freeze. Keep away from strong light and heat. | |
| Shelf life | 2 years when properly stored | |
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