Mu kwisiga no kwita ku ruhu, amacupa yacu yatonyanga atanga ibisubizo byiza kandi bifatika byo gupakira serumu, amavuta yingenzi nandi mavuta meza.Amacupa yatonyanga akonje atanga UV ikingira, bigatuma biba byiza kubicuruzwa byorohereza urumuri, mugihe amacupa yacu yamashanyarazi atanga amahitamo yoroheje kandi arambye yo gukoresha burimunsi.
Waba ushaka amacupa ya CBD, amacupa atonyanga amaso, amacupa ya amber, amacupa ya plastike, amacupa yimiti yimiti, amacupa ya peteroli yingenzi, cyangwa ayandi adafite umwuka, tuzabaha kugirango wuzuze ibisobanuro byawe.