Iizigqubuthelo zezityalo yenziwe ngelaphu elikhethekileyo elomeleleyo elingalukwanga. Ngenxa yezinto ezikhethekileyo, kunokuthintela ukukrazula okungcono kunezinto eziqhelekileyo. Izigqumathelo zeqabaka zezityalo zinokukhusela izityalo zakho kwiqabaka, ikhephu, umoya, uthuli kunye nemitha ye-ultraviolet, kwaye wenze izityalo zakho zikhule zisempilweni. Ngokuqhelekileyo isetyenziselwa ukwandisa ixesha lokukhula entwasahlobo nasekwindla.