Mepihu and Baku can also be used alternately. Generally, Meipihu is used at night and Baku during the day, because Meipihu is reusable, economical and sanitary, easy to apply and remove, and does not need additional fixation, and it will not cause skin peeling or pain when changing. Bak is an ointment suitable for daytime use. Baked silica gel ointment is put into the hose. After the ointment is completely dried, it does not affect makeup, use of cosmetics and dressing.

Silicone, the main component of skin care, is a polymer organic compound. Skin care can prevent and treat scars caused by plastic surgery, surgery, gynecological surgery, burns and other trauma.

Bak is a self-drying lightweight silica gel, which is used to treat scars. Bak forms a hidden protective layer on the outer layer of skin after drying: the protective layer is breathable, soft and waterproof. Mepihu can be used interchangeably with Baku. Generally, Mepihu is used at night and Baku is used during the day.