GS spa is a treatment machine with two colors: black and white. It works by battery only 3 blocks. The working of product is used Galvanic automatic electricity. If you change touch devices, It can support the treatment for 3 forms. There are treatment for scalp, skin and face. It cleans and clears acnes, blemishes, scars and wrinkles. GS spa machine is worth and has good quality so it won't waste your time and money for beauty clinic.