At butterfly medispa our laser hair removal is carried out by soprano soprano is a multi award winning laser which uses a diode to permanently reduce unwanted hair on any part of the body it is pain free with no down time following treatment it is safe to use on all skin tones important bits 1 the soprano laser has a wealth of clinical datafda approval to prove that it is safe and effective 2 virtually pain free 3 has been clinically verified as safe for all skin tones 4