CO2 agace ka laser therapy therapy yasohowe bwa mbere na Harvard yo muri Amerika.Impuguke mu buvuzi bwa kaminuza ya kaminuza Dr. Rox Anderson, hanyuma uhite usaba impuguke ku isi kwemeranya no kuvura amavuriro.CO2 igabanya lazeri yumurambararo ni 10600nm, gukoresha ihame ryangirika rya Photothermal decomposition, kuringaniza kuruhu rwaranzwe nu mwobo mwiza, bikavamo uruhu rwuruhu rwambuwe ubushyuhe, coagulation yumuriro, ingaruka zubushyuhe.Noneho utere urukurikirane rwibinyabuzima biohimiki yuruhu itera uruhu rwo kwikosora, kugirango ugere kumuriro, kuvugurura no gukuraho ingaruka zumuti.