Kufakazele ngokwesayensi ukuthi ukuhlala njalo elangeni kwandisa ingozi yomdlavuza wesikhumba. Yize i-sunscreen ingayisusi ngokuphelele, namanje ama-2% wokungena kwe-UVB okuyingozi kanye ne-UVA imisebe eyi-50 + ne-3% yabangu-30 + - abaningi abangcono kunokuvikelwa kokuvikelwa nhlobo. Ngokubhekisele ocwaningweni luchaza ukuthi kungani kubalulekile ukusebenzisa i-sunscreen.
Isikhumba esomile
Njengoba iHarvard Institute esihlokweni sesayensi "isikhumba esilimele selanga" ngonyaka we-2017, i-Photoborescence yesikhumba ihambisana nomonakalo owenziwe ngo-collagen - amaprotheni abhekene nokugcina ukuqina kwe-epidermis. Futhi i-collagen isekela izindonga zemithambo yegazi, ngakho-ke lapho ukuhlanganiswa kwesikhumba elangeni, awunazo kuphela izindawo ezinemibala, kepha nezinkanyezi zemithambo ezindaweni ezibucayi zobuso, ama-apula ezihlathini, namakhulu eminyaka. I-sunscreen ayigcini nje ngokuhlunga kwe-UV kuphela, kepha futhi inomswakama ngenxa yokwakheka kwamavithamini kanye nezinto ezinamanzi anjenge-glycerol.
Into yesendlalelo esingaphezulu
Senzani lapho isikhumba siqala ukumboza? Faka isicelo sefilimu noma imaski, ungacabangi ngisho nezimbangela zamaseli esikhumba. Ukutadisha ososayensi baseJapan, kushicilelwe ngo-2016 ngokuthi "imiphumela yokusetshenziswa okuqhubekayo kwesikhumba se-sunscreen esithombeni esinezithombe ezindala kubantu baseJapan", kukhombisa ukuthi umthelela wemisebe ye-ultraviolet imvamisa ayikho imbangela esobala yesikhumba ecwebezelayo. Isikhumba esilimele siqala ukuhlukanisa izingqimba ezingenhla ukuqinisekisa ukudla okwanele kwesikhumba "esincanyana", futhi esikhundleni salokho kuthola ukulimala kabusha ngenxa yokungatholi imithetho elula. Kulolu cwaningo, abesifazane asebekhulile bezinyanga eziyi-18 basebenzise ukhilimu nge-spf ebusweni ngaphambi kokungena elangeni, ngenxa yokuthi ubukhazikhazi bobuncane nangobukhazikhazi.
I-sunscreen idinga ukufakwa kuwo wonke umuntu ongaphezulu kwezinyanga eziyisithupha
Photo: Unsplisish.com.
Umbala wesikhumba awunandaba
Abantu abangasebenzisi i-SPF esikhunjeni ngokuvamile bathi abaze bashise. Kodwa-ke, ngokuncika emthunzini wesikhumba, kungavinjwa yibo bonke - i-epidermis isetshenziswa njengomonakalo omkhulu, ngoba i-tan ukusabela okuvikelayo kwesikhumba emisebeni ye-ultraviolet. I-American Academy ye-Dermatolology incoma isebenzisa i-SPF 30+ nangaphambi kosuku, kungakhathalekile ukuthi yisiphi isimo sezulu esingaphandle kwewindows - Ultraviolet udlula emafwini futhi akanyamalali ngesikhathi semvula. Kungcono uma kungewona umswakama noma ukhilimu wethoni enesici sokuvikelwa, kepha ukhilimu okhethekile elangeni.
Ukusetshenziswa kwe-acid ecwebezela
Uma usebenzisa i-acid tonic noma udlula ama-pulengs, ungalokothi uphume elangeni ngaphandle kokhilimu onento evikelayo engama-50 +. Ngaphezu kwalokho, isikhathi somphumela omuhle ezinkambisweni sizoncika ngqo ekutheni uzosebenzisa kanjani ukhilimu - udinga ukukusebenzisa njalo emahoreni ama-2 futhi uvame ukujuluka noma uxhumana namanzi. Kubhekiswe kakhulu endaweni engaphansi kwamehlo, amabutho, izindebe kanye nekhala - ukuthi ahambisana nomthelela omkhulu we-ultraviolet ngenxa yenombolo encane yamafutha angaphansi, ngokungafani nezihlathi kanye ne-chin.
Vikela isikhumba ukuba sibukeke isikhathi eside ngangokunokwenzeka.