Ama-sunscreen angokoqobo, aziwa kakhulu ngokuthi ama-sunscreen amaminerali, asebenza ngokudala isithiyo esibonakalayo esikhumbeni esisivikelayoimisebe yelanga.
Lezi zivikela-langa zinikeza isivikelo esibanzi ngokukhipha imisebe ye-UV kude nesikhumba sakho. Ziphinde zisize ekuvimbeleni ukulimala kwesikhumba okuhlobene ne-UVA, okuhlanganisa ukuqina kwesikhumba kanye nemibimbi.
Ama-sunscreen amaminerali angasiza futhi ekuvimbeleni imisebe ye-UVA engena ngamafasitela, okungabangela ukuguquka kwebala kanye nokuwohloka kwe-collagen. Yingakho kubalulekile ukugqoka ama-sunscreen nsuku zonke, noma ngabe awuhleli ukuphuma ngaphandle.
Iningi lama-sunscreen amaminerali enziwe nge-zinc oxide kanye ne-titanium oxide, izithako ezimbili eziqashelwa njengeziphephile futhi ezisebenzayo yi-Food and Drug Administration (FDA)Trusted Source.
Ama-micronized zinc oxide noma ama-titanium sunscreen — noma lawo anezinhlayiya ezincane kakhulu — asebenza kakhulu njengeama-sunscreen amakhemikhalingokumunca imisebe ye-UV.
“Ama-sunscreen e-zinc oxide avame ukunconywa kubantu abanokuzwela kwesikhumba, okuhlanganisa nezinduna, futhi athambile ngokwanele ukuthi angasetshenziswa ezinganeni,” kusho u-Elizabeth Hale, MD, udokotela wesikhumba oqinisekisiwe yibhodi kanye nephini likamongameli we-Skin Cancer Foundation Trusted Source.
“Ziphinde zinikeze isivikelo esibanzi kakhulu (emisebeni ye-UVA kanye ne-UVB) futhi zinconywa kakhulu kulabo abafaka i-sunscreen ebusweni nasentanyeni yabo nsuku zonke, njengoba zisebenza ukuvimbela umonakalo we-UVA unyaka wonke ohlanganisa imibimbi, amabala ansundu, kanye nokuthwebula izithombe,” kusho yena.
Zonke izinzuzo, ngokuqinisekile, kodwa ama-sunscreen amaminerali anesici esisodwa esibi: Angaba mhlophe, kube nzima ukuwasakaza, futhi - ngokusobala kakhulu - avame ukushiya i-cast emhlophe ebonakalayo esikhumbeni. Uma unesikhumba esimnyama, le cast emhlophe ingabonakala kakhulu.Kodwa-ke, nge-Unipromaizihlungi ze-UV ezibonakalayouwinile'Ungakhathazeki kangako. Ukusatshalaliswa kwethu kosayizi wezinhlayiya ezilinganayo kanye nokucaca okuphezulu kunikeza ifomula yakho isigaba esiluhlaza okwesibhakabhaka esihle kakhulu kanye nenani eliphezulu le-SPF.
Isikhathi sokuthunyelwe: Ephreli-05-2022