Idivayisi yokwelapha ukukhanya okubomvu yamehlo inalezi zici ezilandelayo: yenziwe nge-silicone ethambile futhi iyagobeka futhi iyagoqeka, ikhululekile ukugqokwa, amamodeli amabili abomvu + infrared nebomvu + inhlaka, ekhulula ukucindezelwa kwamehlo, ukuhlanganisa usawoti kufiphaza imigqa emihle, ukuqinisa eduze kwamehlo, ukunciphisa izikhwama ngaphansi kwamehlo, ukukhanya kwamehlo nokukhuthazela isikhathi eside.