... 3, CE approved latest double treatment heads ipl equipment hair removal (IPL3800)Working principle :Five kinds of wavelength (430nm,530nm,560nm ... , sunburn, age pigment, coffee speckle, cosmetic.B,IPL is hair removal tool .It can remove body hair , clypeal hair, armpit hair ,bikini ... that result in acne..Wavelength of 640nm is a depilatory tool.The photon is shining ,the same time ,it is destorying ...