Igice cya C02 gisubiramo gikuraho ibice byuruhu muburyo bwintambwe ku ntambwe (ikuraho inkingi zuruhu, igasiga uruhu ruzengurutse buri nkingi kugirango ifashe gukira) kugirango ifashe kugabanya "ibibanza byimyaka" (nanone bita izuba ryizuba, ibibara byumwijima, na frackles)), imirongo myiza, iminkanyari, inkovu, imiterere yuruhu rutaringaniye, uruhu rworoshye, imiterere idasanzwe, imiterere yuruhu rwijimye, no kunanuka kurwego rwa kolagen mumaso, ijosi, namabere.