Essential details
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Product Introduction
| Parameter | Details |
|---|---|
| Chemical Name | 4-Hydroxyphenyl-β-D-glucopyranoside |
| CAS Number | 497-76-7 |
| Molecular Formula | C₁₂H₁₆O₇ |
| Molecular Weight | 272.25 g/mol |
| Physical Appearance | White needle-like crystals or powder |
| Solubility | Soluble in hot water, methanol, ethanol; Insoluble in ether, chloroform |
| Primary Source | Leaves of Arctostaphylos uva-ursi (bearberry), also found in blueberries, cranberries |
| Core Application | Skin-lightening ingredient in cosmetics (whitening, freckle-reducing) |
| Whitening Mechanism | Inhibits tyrosinase activity to block melanin synthesis; accelerates melanin decomposition and excretion |
| Safety Concentration Limit (EU SCCS, 2023) | Max 7% in facial creams; Hydroquinone content should be kept at unavoidable trace levels |
| Formulation Requirements | pH value ≥ 6.0; Avoid high temperature and UV exposure; Add antioxidants appropriately |
| Advantages | Cost-effective; Efficient skin-lightening effect without affecting skin cell proliferation |
| Potential Drawbacks | Photosensitive; May decompose into hydroquinone (a potential skin irritant) under certain conditions |
