Yes There are fakes in light needles, and it is useless for South Korea AB Light Liquid Weight Loss King to sell fake needles, and his stomach is thin. Principle of light acupuncture to lose weight: It can be absorbed by the skin on the inside and tender part of the arm, touching the whole metabolism of the body, raising the body temperature by 0. 1 degree, and increasing the basal metabolic rate by 12%.