Noma ubani angaziqhenya ngokuba neqoqo elibanzi lama-sunscreens. Nokho, kungani singafuna amabhodlela amaningi kangaka aphelelwe yisikhathi? Asibhekiseli kukhilimu welanga othambisayo esiwusebenzisa nsuku zonke, kodwa kojwayelekile ogwini lolwandle.
Ngokuvamile sithenga ibhodlela likakhilimu welanga futhi silisebenzisa kuphela izinsuku ezimbalwa onyakeni wonke. Mhlawumbe ukuya olwandle, ukuhamba ngezinyawo noma ukushushuluza. Ngeshwa, izindleko ukuvikela ilanga minyaka yonke ngokuvamile iphakeme kunalokho esikusebenzisa ngempela. Ngakho-ke, ingabe ukhilimu wangonyaka odlule usengasetshenziswa? Noma kufanele sithenge entsha?
I-sunscreen iphelelwa yisikhathi
Ukusebenzisa kabusha ukhilimu esiwuthenge ngonyaka odlule kungase kungabi yikona okululekwa kakhulu. Lokhu kuncike ngempela ekutheni siyithenga nini, siyigcina kuphi, nokuthi ibukeka kanjani futhi izizwa kanjani. Amakhemikhali anoma yiluphi uhlobo lwe-sunscreen aphuka phakathi nesikhathi eside futhi agcine esencipha.
Ukhilimu welanga kufanele ube phakathi kwedethi yawo yokuphelelwa yisikhathi kanye nezimpawu ze-PAO noma i-hourglass. Futhi, kufanele igcinwe endaweni epholile, emnyama. Kufanele futhi ihogele futhi ibukeke njengakuqala, futhi ingabi nayo ukuthungwa okunamathelayo noma okugijimayo. Uma ukhilimu ubuvamise ukuchayeka elangeni eliqondile ngesikhathi seholide elishisayo lolwandle, mhlawumbe kungcono ukuphepha kunokuzisola futhi uthenge entsha.
Kodwa-ke, akwaziwa ukuthi yini engenzeka uma sisebenzisa ukhilimu welanga ophelelwe yisikhathi. Uma siyisebenzisa ngemva kosuku lokuphelelwa yisikhathi, ingase isenamandla okuvimba ama-UV, kodwa ngeke abe namandla aphelele kukhonjiswe kulebula. Ngisho ne-sunscreen ene-SPF ephezulu njenge-75 ayikwazi ukuvikela ngokuphepha ngemva kokuphelelwa yisikhathi. Ngeke sazi ukuthi i-SPF yangemva kokuphelelwa yisikhathi yehlele ku-70 noma, yithi, 5, ngaphandle uma sinelebhu yekhemikhali ongayisebenzisa ukuhlola umkhiqizo.
Ukhilimu welanga awunalo ibhomu lesikhathi elishumekiwe elizowenza lingabi namsebenzi ngokushesha uma usuku lwawo olunconyiwe seluphelelwe yisikhathi. Kodwa njengoba ingekho indlela yokusho ukuthi yimalini (uma ikhona) ye-SPF esele ngemuva kosuku lokuphelelwa yisikhathi, noma isiphi isithako-langa esiphelelwe yisikhathi kufanele sibhekwe njengesingasebenzi.
Ihlala isikhathi esingakanani uma ivulwa?
Ukhilimu welanga, ngokombono, kufanele uhlale cishe izinyanga ezingama-36. Kodwa lokho kusukela ngesikhathi eqala ukukhiqizwa, hhayi lapho siwathenga, noma ngisho nalapho efika ezitolo. Uma ukhilimu welanga usuvuliwe, ulungele ukusetshenziswa cishe kusuka ezinyangeni ezi-6 kuye kwezi-12. Nokho, izici ezithile zingathinta ukuphila kwayo isikhathi eside, kuhlanganise nalapho igcinwa khona. Kutuswa ukuyigcina endaweni epholile nemnyama, kunokuba ibe endaweni eshisayo noma echayeke elangeni. Ngakho-ke, izinsuku zasebhishi zisheshisa ukuphela kwazo.
Futhi, uma kukhona ushintsho ekwakhiweni, umkhiqizo akufanele usetshenziswe. Isibonelo, uma kubonakala kunamanzi kakhulu noma kunamathela kakhulu uma kuqhathaniswa nokujwayelekile, noma uma umbala nephunga kushintshile. Kunconywa ukwenza iphutha ohlangothini lokuqapha, ngoba lokhu kuyisivikelo elangeni, ngakho-ke kubaluleke kakhulu ukuthi umkhiqizo awukaqali ukuwohloka noma i-oxidize.