Izifundo zakutshanje zitsalele ingqalelo kunxibelelwano oluphakathi kokuchatshazelwa yimitha ye-ultraviolet (UV) kunye nokukhula kweengxaki zokutshintsha umbala eluswini. Abaphandi bebesazi kudala ukuba imitha ye-UV evela elangeni inokubangela ukutsha kwelanga kwaye yonyuse umngcipheko womhlaza wolusu. Nangona kunjalo, ubungqina obandayo bubonisa ukuba le mitha inokubangela ukuveliswa kakhulu kwe-melanin, umbala onika ulusu umbala walo, nto leyo ekhokelela ekubonakaleni kwamabala amnyama okanye amabala eluswini.
Esinye isifo esiqhelekileyo sokutshintsha umbala esikholelwa ukuba sinxulumene nokuvezwa yi-UV yi-melasma, eyaziwa ngokuba yi-chloasma. Esi simo sibonakala ngokukhula kwamabala amdaka okanye angwevu ebusweni, adla ngokuba ngendlela efanayo, kwaye sibonakala kakhulu kubasetyhini. Nangona unobangela ochanekileyo we-melasma ungaziwa, abaphandi bakholelwa ukuba iihomoni, i-genetics, kunye nemitha ye-UV zonke zizinto ezinegalelo.
Olunye uhlobo lwesifo sokutshintsha umbala esinxulunyaniswa nokuvezwa yi-UV yi-post-inflammatory hyperpigmentation (PIH). Oku kwenzeka xa ulusu luvutha, njengakwimeko ye-acne okanye i-eczema, kwaye ii-melanocytes kwindawo echaphazelekayo zivelisa i-melanin egqithisileyo. Ngenxa yoko, amabala anombala okanye amabala asenokuhlala eluswini emva kokuba ukuvuvukala kuphelile.
Ubudlelwane phakathi kwemitha ye-UV kunye neengxaki zokutshintsha umbala bugxininisa ukubaluleka kokukhusela ulusu kwimitha eyingozi yelanga. Oku kungenziwa ngokunxiba impahla yokuzikhusela, njengeehempe ezinemikhono emide kunye neminqwazi, kunye nokusebenzisa i-sunscreen ene-SPF engama-30 ubuncinane. Kubalulekile nokuphepha ukuvezwa elangeni ixesha elide, ingakumbi ngamaxesha apho i-UV index iphezulu.
Kwabo sele benengxaki yokutshintsha umbala, kukho unyango olufumanekayo olunokunceda ekunciphiseni ukubonakala kwamabala amnyama okanye amabala. Oku kuquka iikhrimu ezifakwe izithako ezifana ne-hydroquinone okanye i-retinoids, amaxolo eekhemikhali, kunye nonyango lwe-laser. Nangona kunjalo, kubalulekile ukusebenzisana nogqirha wesikhumba ukuze kuchongwe eyona ndlela ilungileyo yonyango, njengoko ezinye iindlela zonyango zisenokungafaneleki kwiintlobo ezithile zolusu okanye zinokubangela iziphumo ebezingalindelekanga.
Nangona ubudlelwane phakathi kwemitha ye-UV kunye neengxaki zokutshintsha umbala bunokuba yinto exhalabisayo, kubalulekile ukukhumbula ukuba ayizizo zonke iintlobo zokutshintsha umbala eziyingozi okanye ezibonisa ingxaki enkulu yempilo. Umzekelo, amabala abonakala eluswini, ngokubanzi awanabungozi kwaye awadingi unyango.
Ukuqukumbela, unxibelelwano phakathi kwemitha ye-UV kunyeiingxaki zokutshintsha umbalaigxininisa ukubaluleka kokukhusela ulusu kwimitha eyingozi yelanga. Ngokuthatha amanyathelo alula okulumkisa njengokunxiba impahla yokuzikhusela nokusebenzisa i-sunscreen, abantu banokunceda ekunciphiseni umngcipheko wabo wokufumana iingxaki zombala kunye nezinye iingxaki zolusu ezinxulumene nelanga. Ukuba kuvela iingxaki, kubalulekile ukubonisana nogqirha wesikhumba ukuze amisele eyona ndlela ilungileyo yonyango.
Ixesha lokuthumela: Epreli-26-2023
