Ka'idar aiki na wannan tsarin cire gashi na Laser shine Laser na 808nm tsayin raƙuman ruwa na iya shiga cikin epidermis don isa ga gashin gashi.Dangane da zaɓin ka'idar hoto-thermal, makamashin Laser yana fifita sinadarin melanin a cikin gashi, yana lalata follicle ɗin gashi wanda zai iya haifar da asarar abinci mai gina jiki yana sake haifar da nakasa, musamman a lokacin haɓakar gashi.