Ka tlhokomeliso e ntseng e eketseha ea bareki lefatšeng ka bophara ea bophelo bo botle le ts'ireletso ea tikoloho, 'maraka oa masela a sireletsang letsatsi o bona menyetla e mecha ea kholo. Masela ana a sebetsang hantle, a sebelisang mekhoa e khethehileng ea ho fana ka UV-lisebelisoa tse thibelang, a sebelisoa haholo liaparong, lihlahisoa tsa ka ntle, le thepa ea ka tlung, 'me tlhoko ea 'maraka e ntse e eketseha.
Ho latela pono ea tekheniki, boqapi ba masela a sireletsang letsatsi bo shebane le ho leka-lekanya tšireletso e sebetsang le boiketlo. Masela a-a mehleng e mecha ha a hahamalle feela ho fumana boleng bo phahameng ba UPF (Ultraviolet Protection Factor) empa hape a totobatsa mokhoa oa ho phefumoloha, ho hahoa ha bobebe, le ho hlatsuoa. Tshebediso ya nanotechnology le microencapsulation process e etsa bonnete ba hore setlolo se sireletsang letsatsi ka nako e telele- ntle le ho senya masela a masela. Ho feta moo, ntshetsopele ya disebediswa{5} tse thehilweng ho sireletsa letsatsi ho fana ka menyetla e metjha bakeng sa dihlahiswa tse baballang tikoloho, tse tsamaellanang le maemo a lefatshe a ntshetsopele ya moshwelella indastering ya masela.
Tlhokahalo e fapa-fapaneng ea 'maraka e tsamaisa katoloso ea masela a sireletsang letsatsi limmarakeng tsa niche. Le hoja liaparo tsa ka ntle li ntse li sebelisoa haholo, tlhokahalo ea setlolo se sireletsang letlalo letsatsing liaparong tsa letsatsi le letsatsi, liaparo tsa bana le li-parasol e ntse e eketseha haholo. Tsepamiso ea bareki ho "ts'ireletso-kaofela ea boemo ba leholimo" e khothaletsa lik'hamphani ho etsa masela a kopantsoeng ka tšireletso ea UV, ho thibela metsi, le thepa e thibelang likokoana-hloko. Ho feta moo, lintho tse fesheneng tse kang boima bo bobebe, letsatsi le phefumolohang{4}lihempe le likatiba li atolositse 'maraka.
Ho ea ka tikoloho, sebaka sa Asia{{0}Pacific ke sona se laolang tšebeliso ea lesela le sireletsang letsatsi-ka lebaka la bongata ba baahi le ho ata ha mesebetsi ea kantle. Limmaraka tsa Europe le Amerika li na le tlhokahalo e matla ea-masela a phahameng a sebetsang, ha linaha tse ntseng li tsoela pele joalo ka Asia Boroa-bochabela le Latin America li fana ka menyetla e mengata ka lebaka la maemo a leholimo le ntlafatso ea tšebeliso. Ho phahama ha -border e{6}}khoebo ho boetse ho file barekisi ba masela a sireletsang letsatsi ka litsela tse pharaletseng.
Ntlafatso ea nako e tlang ea indasteri ea masela a sireletsang letsatsi{{0}e tla itšetleha ka boqapi ba theknoloji le tlhahiso e tala. Likhamphani li tlameha ho latela haufi-ufi tlhokahalo ea bareki bakeng sa ts'ireletso ea bophelo bo botle le ts'ebetso ea tikoloho, ho kopanya mahlale a thepa le mekhoa ea masela ho nts'etsapele litharollo tsa tlholisano le ho boloka maemo a tlholisano 'marakeng oa lefatše.
