New Model 1927nm Thulium Laser Machine for Skin Rejuvenation And Pigmentation Treatment 1927nm Thulium Laser Beauty Machine Description The 1927nm Thulium Laser is a sub-ablative fractional laser system, offering performance between non-ablative treatments and ablative CO2 lasers. Known as a "BB laser" for skin texture improvement, it utilizes a 1927nm wavelength to precisely target the epidermal basal layer. Unlike CO2 lasers that vaporize surface tissue, this system induces