Ligalase tsena tsa letsatsi tse etselitsoeng bophelo bo mafolofolo li na le lilense tsa UV400 tse fanang ka tšireletso ea bohlokoa ea mahlo khahlano le mahlaseli a kotsi a UVA le UVB. Liforeimi tsa polasetiki tse tšoarellang li tla ka mebala e fapaneng, ho netefatsa hore o ka tsamaisana le setaele sa hau ha o ntse o sireletsa pono ea hau nakong ea mesebetsi ea kantle.
Li entsoe ho nahanoa ka moatlelete, likhalase tsena tsa letsatsi li fana ka moralo o tsitsitseng le o bobebe, o etsang hore e be tse loketseng lipapali tse ngata tsa ka ntle. Hore na o palama baesekele, oa matha, kapa o bapala lipapali tsa metsing, li fana ka boiketlo le ts'ebetso eo u e hlokang hore u lule u tsepamisitse maikutlo papaling ea hau.
Re lebisitsoe ho barekisi ba mabenkele, barekisi le bahlophisi ba liketsahalo tsa kantle, likhalase tsa rona li fana ka litheko tse tobileng feme. Sena se etsa bonnete ba hore o fumana lihlahisoa tsa boleng bo holimo ka litefiso tsa tlholisano, ho matlafatsa marang-rang a hau le ho fa bareki ba hau boleng ba chelete.
Ho utloisisa litlhoko tse fapaneng tsa bareki ba rona, re fana ka lits'ebeletso tsa ho itlhophisa ho etsa lihlahisoa ho latela litlhoko tsa hau tse ikhethileng. Ka bokhoni ba ho iketsetsa mebala ea liforeimi le likhetho tsa lense, o ka khona ho sebetsana le likhetho tse ikhethileng tsa bareki ba hau, o behella linyehelo tsa hau ntle le tlholisano.
Kaha li entsoe ka mokhoa o nepahetseng le ka tlhokomelo, likhalase tsena tsa letsatsi tsa lipapali li na le mekhoa e thata ea ho laola boleng. Ka lebaka leo, o ka tšepa ho ts'epahala le ho tšoarella ha lihlahisoa tsa rona, ho netefatsa khotsofalo ea bareki le ho pheta khoebo bakeng sa lebenkele la hau kapa ketsahalo. Eketsa thekiso ea hau ea lipapali tsa kantle ka likhalase tsena tsa letsatsi tsa boleng bo holimo, tse ka u thusang tse u tšepisang setaele le tšebetso.