... Guangzhou Beyoung Beauty Equipment Co., Ltd.Productname PDT light therapy machine Machine BP-53Item NOBP-53Package standard export ... devices, etc. Our main market includes North America, Europe, Australia, Southeast Asia, the Middle East, etc. We have strong ... skin, shrink slack skin.Purple light: lymph drainage, adjust circulation, weaker than red light.Yellow light:5) Biologic effect: To stimulate ...