Ko te Pūnaha Taiaho Hautanga CO2 he hangarau whakahou laser hou.Ka tahuna he kurupae taiaho katahi ka wehea ki te maha o nga kurupae moroiti, ka puta he ira iti hei tihore i te kiri ka kuhu ki te kurupae laser ki roto i te corium.Ko te Pūnaha Laser Hautau CO2 e taea te whakarite ka tahuna he kurupae laser ka wehea ki te maha o nga kurupae moroiti, ka puta he ira iti, he waahi pakaru ranei.Ma tenei ka tere ake te whakaora o te kiri i te mea i rongoatia te waahi katoa.
I te wa o te whakahou ake o te kiri, he nui te collagen ka puta hei whakaora i te kiri, ka mutu ka pai ake te ahua o te kiri me te iti ake.