AlphaArbutinPowder;4-hydroquinone-alpha-d-glucopyranoside;alpha-arbutin;a-Arbutin;HydroquinoneO-α-D-Glucopyranoside;4-Hydroxyphenyla-D-gChemicalbooklucopyranoside;(2R,3S,4S,5R,6S)-2-(HYDROXYMETHYL)-6-(4-HYDROXYPHENOXY)TETRAHYDROPYRAN-3,4,5-TRIOL;4-hydroxyphenylalpha-D-glucopyranoside Arbutin is a Hydroquinone glycoside compound, chemically named 4-hydroquinone-alpha-D-glucopyranoside, which exists in bear fruit, blueberry and other plants. Chemicalbook is a new non - stimulation, non - allergy, strong compatibility of natural whitening active substances. There are two structural and functional groups in the molecular structure of arbutin: one is glucose residue; The second is phenolic hydroxyl. The physical state of α -arbutin is white to light gray powder, soluble in water and ethanol. α -arbutin has a good therapeutic effect on scars caused by ultraviolet burn, and has good anti-inflammatory, repair and whitening effects. Can inhibit the production and deposition of melanin, remove spots and freckles.