Ukufakela ngezithombe kubhekisela kumonakalo wesikhumba obangelwa ukukhanya kwelanga, ixesha elide, kunye ne-UVB ray, kwaye kunokukhokelela kumdlavuza wesikhumba . Uninzi lolusu luguquka olwenzekayo njengoko sineminyaka yobudala esheshayo ukukhanya kwelanga.
Isikhumba sakhiwa ngamathathu : i- epidermis , i- dermis , kunye nezicubu ezincinci . I- dermis iqulethe iiprotheni eziquka i-collagen, i-elastin kunye nezinye izinto ezibalulekileyo ezichaphazela amandla esikhumba kunye nokunyaniseka, kwaye zijongene nokubonakala kancinci kolutsha.
UV radiation (UVR) yonakalisa ezi prothini ezibalulekileyo, ezikhokelela ekufakeni isithombe .
Izimpawu kunye neMpawu
Mhlawumbi unombono omuhle kakhulu ukuba imifanekiso yezandi ibukeka njani. Usenokuba ukhangele iifoto zemagazini, ubone umntu oqhelana naye, waza wachaza ukuba loo mntu wayenalo ukukhanya kwelanga kakhulu (kwaye mhlawumbi ukutshaya kunye nokubangela ukuba kubekho umonakalo kwesikhumba.)
Iimpawu ze-Photoaging zingaquka:
- Ukuguquka
- Isikhumba se-drooping (ukungabikho kolwandle)
- Amabala amnyama ("indawo yobudala")
- Imivenge yegazi ephukile (i-telangiectasias)
- Ingqayi ephuzi kwesikhumba
- Ubunxibo obunesikhumba esikhumbeni
- Ukugqitywa kwamathambo
- Ukululaza
Izizathu
I-UVR yenziwe ngemibala ye-UVA kunye ne-UVB. Ngokuqhelekileyo, imisebe ye-UVB iyatshisa, ngelixa i-UVA imisebe idala isikhumba, kodwa kukho ukugqithisa okukhulu kumonakalo wale mibala.
I-ray ye-UVA inemizila engamaxesha amaninzi kwaye inokungena ngaphakathi kwiderm. Umonakalo wemisebe ekhoyo i-collagen, ebangela ukwanda kwemveliso ye-elastin. Inani elingaqhelekanga le-elastin likhokelela ekuveliseni i-enzymes eyaziwa njenge- metalloproteinase elungisa i- collagen eyonakalisiweyo.
Nangona kunjalo, ezi enzyme zivame ukuphela zibangele umonakalo omkhulu kwi-collagen kunokulungileyo ngokubuyisela ngokungafanelekanga ulusu. Njengoko ulusu luvuleleke kwiimvula ze-UVA imihla ngemihla, le nqubo iyaqhubeka iphinda, iholele kumabhanki kunye nekhumba elikhumba.
Ukuboniswa kwe-UVA kubangelwa ukuba kulungiswe imigca kunye nemibhaqa ejikeleze amehlo, umlomo, nebunzi, kunye neendawo zokudala, okanye iindawo zesibindi.
Indawo yokudala yindawo yokuguqulwa kwezinto ezibangelwa ukukhanya kwelanga. Ababonakali nje ebusweni kodwa kuwo wonke umzimba, kuquka izandla, iingalo, isifuba kunye nomva.
Thintelo
Ngelixa izinto ezininzi ze-photoaging zingenakunqandeka, iimpawu ezibonakalayo zokuguga zinokuthintelwa . Faka isicelo se-sunscreen okungenani i- SPF 30 imihla ngemihla (usebenzisa kuphela iimveliso ezikhusela i-UVA) kwiindawo ezibonakaliswe ilanga: ubuso, intamo, isifuba, izandla, iingalo, imilenze, njl. Ukongeza kokuthintela ukubeka isithombe, Ukusetyenziswa kwansuku zonke kweso sihlahla kunokunciphisa nemimiselo yangoku ye-photoaging, kunye nomngcipheko wokwakha umdlavuza wesikhumba. Ngenxa yokusabalalisa i- vitamin D kumazwe athuthukileyo, kunye nemiphumo yokuntuleka, iminye imibutho ye-dermatology iphakamisa inani elincinci lokukhanya kwelanga ngaphandle kwelanga (kunye nawe uya kuvakalelwa ngakumbi ngale nto.) Igama eliphambili apha, nangona kunjalo, lincinci. Ngokuqhelekileyo imizuzu eyi-10 ukuya kwe-15 elangeni lininzi ixesha lokufumana umthamo ofanelekileyo, onomsoco we-vitamin D phambi kokusebenzisa i-sunscreen yakho.
Mhlawumbi into ebaluleke kakhulu ongayenza ukuze unciphise ukusetyenziswa kwesithombe kwesikhumba sakho (ngaphandle kokunciphisa ukukhanya kwelanga) kukukhetha i-sunscreen ekhusela imibala ye-UVA.
Oko kwathiwa, akunjalo lula. Enyanisweni, unako ukufumana umkhiqizo ozithengisa ngokubanzi, kodwa awukhuseli kwii-ray ze-UV.
Ukuze ufumane i-sunscreen ekhusela imibala ye-UVA, kubalulekile ukuba ungakhangeli nje ukhangele isihloko kwisiphakheji kodwa ufunde uluhlu lwezithako. Funda malunga nezithako zelanga ezikhuselekileyo ezikhuselene nemililo ye-UVA , kubandakanywa ukuxhamla kunye nokuxhamla kwemveliso eyahlukeneyo, kunye nexesha elingakanani ixesha lokukhanya kwelanga elizakuhlala phakathi kwezicelo.
Ngokufika kwe-sunscreen, sisoloko sikhohlwe ukuba kukho iindlela ezilula zokunciphisa umonakalo wesikhumba ngenxa yokukhanya kwelanga.
Ekubeni akukho sikrini esilungileyo esilungileyo esingakukhusela kuzo zonke iimitha eziyingozi, khumbula ukuba:
- Gwema ukukhanya kwelanga xa ilanga liqine kakhulu - ngokuqhelekileyo phakathi kwe-10 ukuya kwe-2 ntambama
- Sebenzisa izambulela kunye nomthunzi
- Gqoka isitya esikhulu sokukhusela ubuso bakho
- Gqoka iimpahla zokukhusela, umzekelo, izambatho eziphathekayo kunye ne-SPF
Ekugqibeleni, ungawulibali amehlo akho. Ukuphuma ngaphandle kwelanga ngaphandle kwezibuko zelanga kunokukhawulezisa ukuguqulwa kwe-macular , imbangela ebangela ukukhubazeka ngobudala.
Unyango
Imilinganiselo yegolide yokuphatha i-photoaging, ngokukodwa ukubonisa imifanekiso engummiselo, i- vitamin A efana ne-retinol kunye no-Retin unyango. Iimveliso ezingaphezulu kwee-counter zingasebenza, kodwa imishanguzo yemithi (i-Retin A ne-Differin) ininzi kakhulu. La mayeza aqale asetyenziselwa i-acne aze afumane ukunciphisa ukugubha, ngokukodwa imigca emihle, kunye nemibuso yobuso. I-retinoids isebenze ngokunyusa i-cell revenue kwaye ingathatha inyanga ezimbalwa ngaphambi kokuba uqaphele utshintsho. Abanye abantu bahlakula ubomvu kunye nokukhawuleza xa kusetyenziswe imveliso yokuxinwa ephezulu, kodwa ukunyuka okuthe kancinci kwisebe kunokuphelisa ukuphendula oku.
Kukho neentlobo ezininzi zokuphucula i-dermatological ephathekayo nge-photoaging, efana nobuchwephesha obujoliswe ekukhanyeni kubandakanya ukwelashwa kwe-photodynamic, ukukhanya okukhulu kwe-pulsed, kunye neyeza-laser:
- Uphulo lwePhotodynamic yindlela equka ukufaka iyeza elincinci ekukhuliseni ulusu. Xa iyeza liye langena esikhwameni, indawo echaphazelekayo iya kubonakala ekukhanyeni okuphucula amayeza, ukukhuthaza ukukhula koggeni okunika ulusu unobutsha obuncinane, obunobuncwane.
- Ukukhanya okuphambanisa ngokugqithiseleyo kuyindlela yokwelapha elula ephumelelayo ekunciphiseni ukubonakala kwe-pigmentation engalingani kunye nemithambo yegazi ephukileyo kwinqanaba leeseshoni.
- Ulwaphulo lwe-Laser lungaphatha iintlobo ezahlukeneyo zesikhumba kuye kuxhomekeke kububanzi obude bokusetyenziswa kwesikhumba. Imilinganiselo yeevelengths eyahlukeneyo isetyenziselwa ukunciphisa imithana yegazi, ukunyanga iindawo zokudala, ukunciphisa imibimbi, ukususa iinwele, njl.
Ngaphantsi
Ukugcina isikhumba sakho esilutsha kunye nesempilweni sibonakala senza ilumko elangeni. Nangona kunjalo kwabo babenobungozi bexesha elidlulileyo kwixesha elidlulileyo, kukho ezinye unyango ezingaphilanga kodwa zinokunciphisa umonakalo wesikhumba ochaphazelekayo. Khumbula ukuba oko kubangela ukuxubha, kubangela ukuba umdlavuza wesikhumba.
Imithombo:
Borges, J., Manela-Azulay, M., noT. Cuzzi. Iifoto kunye neCandelo leNtsholongwane yeLaser Fractional. I-Clinical, Cosmetic and Investigational Dermatology . 2016. 9: 107-14.
Pittayapruek, P., Meephansan, J., Prapapan, O., Komine, M., noMnu Ohtsuki. Indima yeMatrix Metalloproteinase kwi-Photoaging ne-Photocarcinogenesis. I-International Journal ye-Molecular Sciences . 2016. 17 (6): i-pii: E868.
Riahi, R., Bush, A., kunye noP. Cohen. I-Retinoids yeengqungquthela: Iinkqubo zokwelapha kwiNyango yePlasticaged Skin. I-American Journal ye-Clinical Dermatology . 2016. 17 (3): 265-76.