1. do detumescence,inflammation diminishing 2,scar elimination 3.treatment for oil acne effectively. function:improve symptoms such as aging and loosening skin,coarse pores,slender wrinkles.improve pigmentary pathological changes,such as freckle,sunbum,senile plaques.improve dark complecion caused by bad metabolism or poor circulationrepair and nurse the damaged skin.Photodynamic instrument ( ...