Most of the LASERS used for hair removal target the rak thicker hairs on the body. Since LASERS target the back melanin pigment in the hair, they will also produce damage to the surrounding skin, if your skin is pigmented. The ideal candidate for Laser Hair removal is someone who is fair skinned with dark hair. However there are different types of LASER and depending on the expertice of the person administering the LASER, dark hairs on darker skin types can also be treated effectively. However this is entirely down to the type of LASER and operator expertise.