Keep the frequency of use 2-3 times a day. Wis men's facial rejuvenation suit can be used two or three times a day. Wis is a brand specializing in skin care. It introduces the advanced technology and raw materials of Swiss RAHN Group, and pursues the ultimate scientific and safety to meet the consumers who have higher requirements for quality of life. The brand name wis comes from an old European word Wissenschaft, which means science. As a functional skin care brand, wis is committed to making skin care more scientific and effective, and bringing better care experience to the skin.