Ua paʻi mua ʻia ke kumumanaʻo laser fractional CO2 e ka United States Harvard.University laser lāʻau loea Dr. Rox Anderson, a koke kiʻi i ka poe akamai a puni ka honua e ae a me ka lapaau lapaau.ʻO ka lōʻihi o ka hawewe laser fractional CO2 he 10600nm, ka hoʻohana ʻana i ke kumumanaʻo decomposition photothermal koho, e like me ka ʻili i hōʻailona ʻia me nā lua maikaʻi, ka hopena i ka ʻili o ka ʻili wela, ka coagulation thermal, ka hopena wela.A laila e hoʻoulu i ka ʻili o ka biochemical reactions e hoʻoulu i ka ʻili no ka hoʻoponopono ponoʻī ʻana, i mea e hoʻokō ai i ka paʻa, rejuvenation a hoʻopau i ka hopena o nā stains.