Laser mainly includes photon skin rejuvenation, freckle removal, whitening, eyebrow washing and tattoo washing. The principle of this machine is to use laser and optical film to make different colors explode in a short time by heating, so as to achieve the effect of beauty.

Electromagnetic waves are mainly used to help absorb and lose weight.

Physical vibration is mainly weight loss and body shaping massage.

Electric burners are not used much now. There is a wound that removes spots and blocks bloodshot.

I hope to give you a simple answer here. If you want to know more, you can go to the website of professional instrument manufacturers.