At butterfly medispa our laser hair removal is carried out by soprano the soprano is a multi award winning laser which uses a diode to permanently reduce unwanted hair on any area of the body it is pain free with no downtime following treatment and 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