The main difference between Alexandrite and Diode lasers is the wavelength. Alexandrite laser (755 nm) works not so deep in the skin, but it is well absorbed by the melanin in the hair. The diode laser (810 nm) works deeper and is safer if the skin is of a slightly darker shade. According to scientific studies, both Diode and Alexandrite lasers are very effective, but due to certain characteristics of the hair or skin, such as the depth of the follicle in the skin, one or the other option may be more effective for some people. Therefore, if you have performed the procedures with one technology and hair regrowth persists, you can try laser hair removal with another technology. That is why REVÙ CLINIC can offer laser procedures of both these technologies!