The laser light can be absorbed by hair shaft and hair follicles in the melanin, and converted into heat, thus increasing the hair follicle temperature.
Ogwe ntutu na ntutu ntutu na melanin nwere ike banye ọkụ ọkụ laser, wee gbanwee ka ọ bụrụ okpomọkụ, si otú a na -abawanye okpomọkụ nke ntutu ntutu.