Opt is a technology that converts light into heat.  Handle like a very powerful camera flash on your skin. Selected light wave target chromophores (colored pigments) such as melanin in hair and freckles, hemoglobin in ruptured or diffuse blood vessels, etc.

Light waves can also target specific acne bacteria and protein molecules in collagen. Relieves damage to the skin surface caused by skin diseases.
 

Principle of hair removal:

Selecting a specific wavelength of magnetic pulse light to act on the skin, hair follicle hair growth (hair nipple) secretion, hair follicle cells that absorb energy after lysis naturally aging, hair removal, and then hair follicle pigment particles are swallowed by macrophages for human metabolism The way is discharged. It can work with body hairs of various body parts such as limbs, underarms, and beards.