... surface has two Germanium stone.2) Convenient to use, save time and money.3) Using simply, ... the steam, sauna, hot spring.2. Do not use scrub, exfoliating products, do not do diamond dermabrasion, ... will be ok; do not use irritating skin care products5.How to use:6.Before and after of treatment ... summer crazy promotion!!!. Have a nice day for you. HOT 540 needles titanium dermaroller mesoroller /derma ...