Alexandrite Laser Hair-removing Long-pulsed alexandrite laser is being used for hair removal. At this longer wavelength, the ratio of energy deposited in the dermis to the epidermis is greater because of a greater depth of penetration. It is recommended in light-skinned patients with dark hair, this hair-removing method counts with a long experienced practise, this laser have been used for many years .The laser energy is transformed into heat, which can disable the follicle leaving the surrounding skin unchanged