The diode laser (800nm) is considered the gold standard in laser-assisted epilation. Inferior wavelengths are able to be absorbed better by the melanin in the hair follicle matrix, but penetrate less into the skin. Superior wavelengths penetrate the skin better, but are much less absorbed into the melanin in the follicle matrix. The 800nm wavelength is the one which best reconciles both aspects; penetration into the tissues and absorption by the melanin. Laser-assisted epilation with this wavelength requires either a cooling system in the laser head, or suction of the skin inside the laser handpiece in order to avoid impacting the superficial melanin..
Diode laser treatments
True beauty lies in the beholder’s eyes