I-Ultraviolet Radiation Idala Ukulimala Kwesikhumba-Ngisho Noma Ungaphakathi
-Delile
Kuvela ukuthi, ilanga lingase libe namandla nakakhulu kunalokho ebesikucabanga: imisebe ye-ultra-violet (UV) iyaqhubeka nokulimaza isikhumba sethu futhi yandisa ingozi yethu yomdlavuza inqobo nje uma ngemva kwamahora amane singene endlini, ucwaningo olusha oluvela eNyuvesi yaseYale lwembula.
Ngenkathi i-melanin, i-pigment emangqamuzaneni esikhumba, kudala kukholakala ukuthi isiza ukuvikela isikhumba emisebeni ye-UV eyingozi, okutholakele okusha kusikisela ukuthi amandla kwenza ukumuncwa kungafakwa kamuva kwizicubu ezizungezile, kubangele ukuguquka kwe-DNA eseduze okungaholela kumdlavuza. Yize lokhu kudumaza, ukutholakala kungakhuthaza ukuthuthukiswa kwamafutha "kusihlwa emva" angasiza ukunciphisa umphumela. Okwamanje, odokotela besikhumba bancoma ukugqoka i-sunscreen ene-sun protection factor (SPF) engu-15 noma ngaphezulu enikeza ukuvikelwa okubanzi okubanzi emisebeni ye-UVA ne-UVB. (Futhi qiniseka ukuthi ufunda ilebula ngokucophelela: Imibiko yabathengi Ithi Ezinye Izimangalo ze-SPF Zokuvikela Ilanga Azinembile.)
Ucabanga ukuthi ungakwazi ukweqa isimiso sokuvikela ilanga kuze kube yihlobo? Hhayi ngokushesha. Ngaphandle kwezinsuku ezibandayo, ezimnyama zasebusika, isikhumba sakho sisadinga ukuvikelwa. Cishe amaphesenti angama-80 emisebe yelanga ye-UV asadlula emafwini, futhi uvame ukushaywa yile misebe kabili, njengoba iqhwa neqhwa kuyiveza ibuyele esikhunjeni sakho ekukhuphuleni ingozi yomdlavuza wesikhumba nemibimbi nayo. Isikhathi esiqandayo sishiya isikhumba somile futhi sicasukile, okusenza sengozini yokukhanya okuluhlaza kwe-UV.
Ngokuvikela unyaka wonke, gcoba isikrini selanga okungenani imizuzu engu-15 ngaphambi kokuphumela ngaphandle. Zama ukukhetha kwethu okuthandayo kusuka ku-The Best Sun Protection Products ka-2014 noma amathiphu okuphepha elanga ashiwo ku-Winter Beauty Tips avela ku-X-Games Stars.