Hui-Ing Donna Hwang,Alexander Naranjo,Patricia Lynn Scott
申请号：
US16692017
公开号：
US20200085724A1
申请日:
2019.11.22
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A sunscreen composition having improved water resistance comprising (i) a sunscreen active agent； (ii) a water resistant agent comprising a natural wax having a Damping Factor of less than 1.0 in a linear viscoelastic range at body temperature； and (iii) an emulsifier or a surfactant capable of stabilizing an emulsion of components (i) to (iii), wherein said sunscreen composition maintains at least 75%, preferably at least 85%, and most preferably at least 99%, of its static SPF after water immersion for 4 hours.
