Universal Laser Hair RemoverUniversal Laser Hair Remover This hair remover effectively removes unwanted hairs and inhibits it from growing with continuous use. It works using laser technology that emits rapid light pulses. The pulse works under the skin's surface to target hairs at the root to inhibit their growth. It's gentle enough for everyday use and it won't cause irritation at all! It can be used in the underarms, legs, thighs, bikini line, face, neck, shoulders, and back.