what is  of Cosmetic Arbutin with cas 497-76-7

Arbutin is a hydroquinone compound derived from houyeyanbaicai 厚叶岩白菜 (Bergenia crassifolia (L.) Fritsch.). It is also distributed in wufanshu (Vaccinium bracteatum Thunb.), and xiongguo (bearberry), Pear tree, jishutiao (Viburnum opulus Linn. var.calvescens (Rehd.) Hara f. calvescens), xingxiangtuerfeng (Ainsliaea fragrans Champ.), heiguoxianleihuaqiu (Aronia melanocarpa), nvzhen (Ligustrum lucidum Ait.), juanbai (Selaginella tamariscina (Beauv.) Spring), maodadingcao (Gerbera piloselloides (L.) Cass), payanhong (Veronicastrum axillare (Sieb. and Zucc.) Yamazaki), and yueju (Vaccinium vitis-idaea Linn.) also contain this compound . In addition, it can be obtained from biotransformation, enzyme synthesis, and organic synthesis .