... surface has two Germanium stone.2) Convenient to use, save time and money.3) Using simply, ... customer's design and LOGO4.Caution after use:1. Do not stay places with high temperature or ... steam, sauna, hot spring.2. Do not use scrub, exfoliating products, do not do diamond dermabrasion, or microdermabrasion care ... care will be ok; do not use irritating skin care products5.How to use:6.Before and after ...