Tri Diode Ice Laser is the best and newest technology in laser hair removal that exists, having three different wavelengths gives the best results on all skin types and hair types from thin and blonde to very dark skin with black hair. The tri-diode laser has 3 types of lenses: 755 nm, ideal for blonde and thin hair, 808 nm for most skin types, and 1064 nm, and is characterized by absorbing less melanin; it is the solution for dark skin.