... any area of the body, such as: Lip hair, beard, chest hair, armpit hair MARPANSA® “JOYO” Diode laser 808/940nm Technical principle ... preferentially absorbed by the melanin of the hair. And then the hair shaft and hair follicle are heated rapidly in order to ... the body, such as:Lip hair, beard, chest hair, armpit hair, back hair, arm hair, leg hair, and unwanted hair outside the bikini line; Effective ...