I-sun cream evikelayo

Ososayensi babika ukuthi ungqimba lwe-ozone lomhlaba wethu luba luncane minyaka yonke, ngaleyo ndlela kwandisa ingozi yokuthi imisebe yelanga ihamba nayo. Sekuyisikhathi eside odokotela bekhuthazwa kakhulu ukuba basebenzise isikrini selanga hhayi kuphela ogwini, kodwa nsuku zonke. Lokhu kukhilimu kudinga ukuphathwa zonke izingxenye zomzimba ezivulekile njalo, okungukuthi, izingalo, intamo, imilenze, amahlombe kanye nobuso. Noma kunjalo, ukuze umphumela ukhilimu uphumelele, kufanele ukhethe, uqondiswe yimithetho ethile, kanye nemigomo yomzimba wakho, ikakhulukazi uhlobo lesikhumba.

Ukuvikelwa kwelanga

Isikrini ngasinye selanga sinepharamitha okuthiwa inkomba yokuvikela ilanga. Kuboniswa izinombolo. Noma yikuphi ukhilimu wanamuhla okungenani kunezinkomba ezimbili ezinjalo. Omunye wabo, i-SPF ibonisa izinga lokuvikelwa olunikezwa ukhilimu ovela kuma-ultraviolet b-ray, enye, i-UVA - izinga lokuvikelwa emisebeni yama-ultraviolet.

Okufundiswa kakhulu kubo kuyim parameter ye-SPF. Uma ubona lesi sifinyelelo kuphakheji yekhilimu, ungaqiniseka ukuthi ukhilimu uyisikrini. Inani, elilingana ne-SPF, lisho ukuthi izikhathi ezingavunyelwe zokuchayeka kwelanga zanda kangakanani nokusetshenziswa kwalesi sidakamizwa.

Isibonelo, uma isikhumba sakho sibomvu sokuqala sivela ihora ngemva kokushona kwelanga ngokuqhubekayo, ngakho-ke, ngokusetshenziswa okusebenzayo khilimu evikelayo nge-SPF elilingana noyishumi, ungahlala elangeni ngaphandle kokulimala esikhumbeni cishe amahora ayishumi (nakuba odokotela isikhathi esinjalo sokuhlala ngaphansi kwelanga akusikiswanga ngokujwayelekile). Lo mphumela utholakala ngosizo lwezithasiselo ezikhethekile eziyingxenye ukhilimu, njenge-powder emihle kakhulu ye-titanium dioxide, esebenza ngendlela yamacromirrorri amaningi esiza ukukhombisa imisebe ye-ultraviolet.

Le SPF yepharamitha ingahluka kusuka kokubili kuya ku-50. 2 - ukuvikela okubuthakathaka, okuvikela isigamu se-ultraviolet eyingozi kakhulu - UV-B. Okuvamile kakhulu yi-SPF 10-15, engcono kakhulu ekuvikeleni isikhumba evamile. Izinga eliphakeme kakhulu lokuvikeleka ku-SPF 50 - lihlunga kuze kufike ku-98% wemisebe eyingozi.

Abaningi bezimonyozi basebenzisa itafula likaThomas Fitzpatrick ukuze banqume uhlobo lwesiguli (i-phototype), ngokuya ngesilinganiso somsebenzi we-melanocyte.

Kulesi sikali, kunezinhlobo eziyisithupha zesikhumba. Amabili okugcina lapha angeke asinike, ngoba abantu abanesikhumba esinjalo bavame ukuhlala e-Afrika nakwamanye amazwe ashisayo. Phakathi kwamaYurophu kukhona ama-phototypes amane. Uhlobo lwalo alunzima kakhulu ukunquma, nansi izakhiwo zomunye wabo.

I-phototype

Isikhumba esimhlophe kakhulu esinama-pink tinge. Ngokuvamile kukhona ama-freckles. Ngokuvamile kungama-blondes aluhlaza okwesibhakabhaka (ama-blondes) noma abantu abomvu abanesikhumba esihle. Isikhumba sabo sinzima kakhulu ukusikhipha, sishisa ngokushesha. Ngokuvamile lokhu kungamaminithi angu-10. Kubo, kuphela ukhilimu onokuvikeleka okuphezulu, nge-SPF engaphansi kwezingu-30, kuzozivumelanisa - izimali ezisele akunakwenzeka ukusiza.

II i-phototype

I-phototype yesibili yesikhumba ilula, ama-freckles ajwayelekile kakhulu, izinwele zilula, amehlo aluhlaza, anombala, aphuzi. Kubo, isikhathi esinqunyiwe sokungena kwelanga ngokuqhubekayo akuyona ingxenye yesigamu sehora, emva kwalokho amathuba okuthola ukushisa kwelanga asanda kakhulu. Kufanele basebenzise ama-creams ne-SPF afana no-20 noma ama-30 ngesonto lokuqala lelanga elishisayo, emva kwalokho ukhilimu kufanele ushintshwe kwenye, onomkhawulo ophansi izikhathi ezingu-2-3.

III i-phototype

Isikhumba esimnyama, amehlo anesibhakabhaka, izinwele ngokuvamile zibomvu noma ama-chestnut. Isikhathi esiphephile elangeni cishe cishe isigamu sehora. Bakhetha ukusebenzisa i-sun cream nge-SPF kusuka ku-15 kuya ku-6.

IV i-phototype

Amabhontshisi anekhanda elimnyama nelanga elimnyama. Zingaba elangeni kuze kube maminithi angu-40 ngaphandle kokushisa. Kubo, ukhilimu onama-SPF kusuka ku-10 kuya ku-6 uhamba phambili.

Futhi isikhathi esibalulekile sokukhetha okulungile ukhilimu ovikelayo kusukela elangeni lapho uzohlala khona ilanga isikhathi eside. Uma uhlela ukuphumula ezintabeni noma uhlanganyele emidlalweni yamanzi, kungcono ukuthatha ukhilimu ngezinga eliphezulu lokuvikela - i-SPF30. Isebenza kahle ngesikhumba sabantwana.