He maimoatanga kore-ahuru mo te whakakoi me te whakairo i te kanohi me te tinana kaore he wa whakaheke me te kore he mate pokanga.Ka whakamahia te hangarau reo irirangi hei whakamahana i nga paparanga hohonu o te kiri e whai kiko ana ki te collagen.Ka awhina te wera ki te hanga hou i te collagen o mua me te whakaputa i te collagen hou, e pai ake ai te maeneene me te kakano o te mata o te kiri.