Hasken rana da dabarun aiki suna da rauni ga oxidation, haifar da canjin launi, rabuwa, ko asarar tasirin SPF. Marufi yana da mahimmanci don kiyaye kayan kwalliya da samfuran magunguna a kan matsalolin muhalli kamar oxygen, danshi, da bayyanar UV. Tsarin bututu mai sassauƙa na Layer biyar yana ba da kariya ta shinge mai ci gaba, yana mai da su manufa don samfura masu mahimmanci kamar hasken rana, man shafawa na baki, da kulawar fata mai girma. EVOH (Ethylene Vinyl Alcohol) yana ƙara shingen shinge na tsakiya wanda ke kare dabararka a duk tsawon rayuwar sa.