Jose E. Ramirez,Austin McNamara,Judy Hattendorf,Steve Goldner
申请号：
US16377039
公开号：
US20200069979A1
申请日:
2019.04.05
申请国别(地区):
US
年份:
2020
代理人:
摘要：
Stable hydroquinone compositions that are useful for skin care and can have a shelf life of up to three years are prepared in a tank made from a material that does not release metallic ions into the composition.
