Amfanin da kuma hasken rana radiation cutarwa ga mutane dade batun hankalin masana kimiyya a dukan duniya. An sani cewa hasken ultraviolet daban-daban zango, da kuma ya kasu kashi 3 iri: UVC - takaice, UVB - Medium tsawon, UVA - mafi tsawo. UVC-haskoki ba hatsari ga mutane, saboda saboda da kananan tsawon tãguwar ruwa ba su isa ƙasa ta surface an tunawa da lemar sararin samaniya Layer na yanayi. Biyu sauran iri bambanta a cikin mataki da kuma yanayin da effects a kan 'yan Adam fata. Bugu da kari ga yin amfani da hasken rana, a ƙarƙashin rinjayar da fata samar bitamin D, na taimaka karfafa kashi nama a cikin jiki, akwai wani hadarin konewa, wanda bai kai ba fata tsufa da kuma ci gaban melanoma (a m ƙari).
Don rage cutarwa sakamakon ultraviolet radiation amfani da wani sunscreen tare da wani SPF-PPD- da fihirisa cewa bauta kamar yadda tace, jinkirta haskoki, hana su daga samun fata. Matatu SPF kariya daga UV haskoki a cikin bakan, PPD tace - daga bakan ray A wannan mafi hadarin gaske saboda sun hallaka collagen zaruruwa a cikin dermis Layer, accelerating da tsufa tsari, da kuma iya kai wa ga fata ciwon daji. Products dauke da kawai factor SPF, ne kawai iya hana wani kuna, kuma sunscreens da SPF da PPD samar da cikakken kariya daga rana UVA da UVB iri. The lambobin nuna a kan kunshin gaba da raguwa nufin da mataki na kariya. Alal misali, PPD 8 Cream miss fata 8 sau kasa da hasken rana radiation UVA, da dai sauransu A lambar alama da wani SPF nuna tsowon lokacin zaman lafiya a rana. A lokacin da zabar wani sunscreen, kana bukatar ka duba ka phototype, wanda ya dogara a kan launi na fata, da idanu da kuma gashi. Saboda haka, m fata, da hakan ya zama SPF da PPD fihirisa. Cream dole ne ma cika da irin fata. Za a yaba da cewa mafi girma mataki na kariya, da thicker kuma denser ta daidaito. Shi ya dace don bushe fata irin. Domin mafi m yankunan da fuska da jiki da bakin ciki fata (eyelids, lebe, wuyansa yanki), shi ne shawarar yin amfani da kudi tare da mafi kariya (30-50 raka'a). Har ila yau, musamman hankali ya kamata a biya zuwa outermost sassa na fuska da jiki, kamar cikin hanci, kunnuwa, cinyoyinsa.
Don sunscreens da PPD- da SPF-dalilai samar da mafi inganci kariya, shi ne shawarar saka su a cikin hanyar kamar yadda al'ada, don 20-30 mintuna kafin a fita waje. A wannan lokaci tana nufin tunawa a cikin fata, kuma zai kasance a shirye domin sunbathing.
Sunscreens da SPF da PPD ana amfani da fata mafi m Layer fiye da saba kullum kula wajen. Domin mafi kyau duka na fuska rabo ne daidai da adadin cream, wanda aka sanya a kan ball yatsa, kuma shi ne game da biyu zuwa uku tablespoons na jiki.
Ka tuna cewa ko da mafi resistant sunscreens rasa dũkiyõyinsu bayan wani lokaci, kuma a sakamakon inji mataki. Saboda haka dole ka ɗaukaka cream a kan fata ga dukan zauna a rana - game da sa'o'i biyu da kuma bayan kowane iyo a cikin kandami.