Photoaging inoreva kukanganisa kweganda kunokonzerwa nekugara kwenguva refu kwezuva, kunyanya kweUVA uye UVB rays, uye kunogona kutungamirira kumaronda echepa. Zvizhinji zveganda zvinoshanduka zvinoitika sezvatinenge takura zvinowedzera nekubuda kwezuva.
Ganda rinoumbwa nematatu matatu : epidermis , dermis , uye subcutaneous tissue . Dermis ine mapuroteni anosanganisira collagen, elastin nedzimwe nhubu dzinokosha dzinobata simba reganda uye kusununguka, uye zvinokonzerwa nekuonekwa kweganda, kuonekwa kwevechidiki.
UV rayation (UVR) inokuvadza mapuroteni aya anokosha, zvichiita kuti photoaging .
Zviratidzo nezviratidzo
Iwe unogona kunge une pfungwa yakanaka chaizvo iyo photoaging inoratidzika sei. Iwe ungangodaro wakatarisa pamagazini emagazini, unoona unoziva, uye wakataura kuti munhu wacho ainge aine zuva rakawandisa (uye pamwe zvichiita kusvuta zvakare izvo zvinokonzerazve zvimwe zvinokuvadza paganda.)
Zviratidzo zvePhotoing zvinogona kusanganisira:
- Wrinkles
- Drooping ganda (inelasticity)
- Nzvimbo dzemazuva ("makore mazera")
- Akavhuna midziyo yeropa (telangiectasias)
- Chinhu chine ruvara rweganda
- Kuchengetwa kweganda kune ganda
- Mottled pigmentation
- Zviri nyore kupwanya
Zvinokonzera
UVR yakaumbwa nemirairi yeUVA uye UVB. Muzhinji, UVB rays inopisa, nepo UVA mazaya ane makore echeche, asi pane yakawanda inowanikwa mukukuvara kwemavara aya.
Misi yeUVA ine nguva yakareba yavelengths uye inogona kupinda mukati memvura. Misi yakaipisisa iripo collagen, iyo inokonzera kuwedzera elastin yekugadzirwa. Kuwanda kwakadaro kusinganzwisisiki kwe elastin kunotungamirira pakugadzirwa kwemakemikari anozivikanwa sesimbiloproteinase iyo inogadzira collagen yakaora.
Kunyange zvakadaro, ma enzyme anowanzoguma achikonzera kukuvadza kune collagen pane zvakanaka kuburikidza nekudzorera ganda. Sezvo ganda rinoratidzirwa kumayero eUVA zuva rega rega, izvi zvinoramba zvichidzokorora, zvichiguma nemakwenzi uye ganda rinogadzirwa.
Kushandiswa kweUVA kunokonzera mitsetse yakaisvonaka nemakwenzi zvakakomba pameso, mumuromo, nepamberi, pamwe chete nemakore, kana mawere.
Nzvimbo yezera ndeye ruvara rwekushandura kunokonzerwa nekudzivirira kwezuva. Hazvioneki pachiso chete asi pamumwe muviri wose, kusanganisira maoko, maoko, chifuva uye mushure.
Kudzivirira
Kunyange zvazvo zvinhu zvakawanda zvekuona photoist zvisingadziviriki, zviratidzo zvinoratidzika zvekwegura zvinogona kudziviswa. Shandisa sunscreen yeSFF 30 zuva rega rega (kushandisa zvishandiso zvinodzivirira kurwisa UVA) kune nzvimbo dzinotaridzirwa zuva: chiso, mitsipa, chifuva, maoko, maoko, makumbo, nezvimwe. Mukuwedzera pakudzivisa kupera, kushandiswa kwezuva nezuva kwezuva kunogonawo kuderedza zviratidzo zvemazuva ano zvekufotoidza, uyewo njodzi yekuva nekenza yemuviri. Pamusana pekupararira kwehutachiwana hwe vitamini D munyika dzakabudirira, uye migumisiro yekushaiwa, mamwe masangano emvura anopa kukurudzira kuduku kwezuva risina chiedza chezuva (uye iwe uchange uchinzwa zvakawanda pamusoro peizvi.) Shoko guru pano, kunyange zvakadaro, ridiki. Kazhinji maminitsi gumi nemaminitsi gumi mukati mezuva pane nguva yakawanda yekuwana maitiro akanaka, ane utano hwe vitamin D usati washandisa sunshcreen yako.
Zvichida chinhu chakakosha zvikuru chaungaita kuti kuderedze kuonekwa kweganda rako (kunze kwekudzikisa zuva rako rinenge riripo) ndiko kusarudza shisi yezuva inokuchengetedza pamisasa yeUVA.
Izvozvo zvakati, hazvisi nyore. Ichokwadi, iwe unowanzowana chigadzirwa chinoshambadza sehuwandu hwekuparidzira asi hachikudziviriri kubva kumayero eUVA zvachose.
Kuti uwane shandi yezuva inodzivirira mazai eUVA, zvakakosha kuti usangotarisa musoro wechipfuva asi kuti uverenge mazita ezvigadzirwa. Dzidza pamusoro pezvisikwa zvezuva rinopisa zvinopesana nemirairo yeUVA , kusanganisira maitiro uye marara emhando dzakasiyana-siyana, pamwe nekureba kwenguva yakadini kwezuva rinozoguma pakati pekushanda.
Nekuuya kwezuva nezuva, isu tinowanzokanganwa kuti kune nzira dzakapedzisira dzekudzikisa kamuvara kweganda nekuda kwekudzivirira kwezuva.
Sezvo pasina chiedza chakakwana chezuva chinogona kukudzivirira kubva kumarima ose anokuvadza, yeuka ku:
- Dzivisa kusvikirwa kwezuva apo zuva rakanyanya kusimba - kazhinji pakati pegumi nemadekwana nemadekwana maviri
- Shandisa maambulisi nemumvuri
- Kupfekedza ruvara rwakakura kuti udzivirire chiso chako
- Kupfeka zvipfeko zvekudzivirira, semuenzaniso, zvipfeko zvakasununguka neSSPF chikonzero
Pakupedzisira, usakanganwa meso ako. Kuve kunze kwezuva pasina magirazi ezuva kunogona kukurumidza kukanganisa macular , chikonzero chikuru chekupofumadza nezera.
Mishonga
Nheyo yegoridhe yekurapa photoaging, kunyanya kunyorovedza kusvika pamusana pemafoto, yakave mavitamini A michina yakadai se retinol uye Retin Arapa . Pasi-the-counter zvigadzirwa zvingave zvinobudirira, asi mishonga yemishonga (Retin A uye Differin) yakanyanya kuwedzera. Iyi mishonga yakatanga kushandiswa kwechigunwe ndokubva yawana kuderedza kumira, kunyanya mitsetse yakaisvonaka, uye maitiro emaso. Retinoids inoshanda kuburikidza nekuwedzera kushandiswa kwesero uye inogona kutora mwedzi mishomanana usati waona kuchinja. Vamwe vanhu vanokudziridza kubwinya uye kukwikwidza kana chikwata chepamusoro chekugadzirisa chinoshandiswa, asi kuwedzera kukurumidza mumuti kunowanzobvisa kupindura uku.
Kunewo huwandu hwekusimudzira dermatological kunobata photoaging, iyo inonzi chiedza-based technologies zvinosanganisira chirwere chephotodynamic, chakanyanya pulsed light, uye laser therapy:
- Photodynamic therapy inyanzvi inosanganisira kushandisa mishonga inonzwisa chiedza paganda. Kana imwe nguva mishonga ichipinda mucheka, nzvimbo inobatwa nayo inoratidzwa nechiedza chinoshandisa mushonga, nekusimudzira collagen kukura iyo inoita kuti ganda rive ruduku, kutaridzika.
- Kunyanya kutsvaira kwechiedza ndiyo nzira yekurapa inobatsira iyo inobatsira mukuderedza kuonekwa kwemavara asina kufanana uye mitsipa yeropa yakaputsika pamusoro pezvikamu zvezvikamu.
- Utachiona hwema Laser hunogona kubata zvisikwa zveganda zvakasiyana siyana zvichienderana nekureba kwechiedza chinoshandiswa paganda. Kusiyana kwevelengths kunoshandiswa kuderedza midziyo yeropa, kurapa mazera emakore, kuderedza kunamatira, kubvisa bvudzi, nezvimwewo.
The Bottom Line
Kuchengeta ganda rako duku uye rinoratidzika kuonekwa kunoreva kungwarira muzuva. Asi kune avo vainge vaine nguva yakawanda yekutarisa kwezuva mumakore adarika, pane zvimwe zvirwere zvisingarapiki asi zvinogona kuderedza kusangana kwemazera ehutano. Yeuka kuti chii chinokonzera kukakavara, chinokonzerawo kenza yemuviri.
Sources:
Borges, J., Manela-Azulay, M., naT. Cuzzi. Photoaging uye Clinical Utility yeFractional Laser. Clinical, Cosmetic and Investigational Dermatology . 2016. 9: 107-14.
Pittayapruek, P., Meephansan, J., Prapapan, O., Komine, M., uye M. Ohtsuki. Basa reMatrix Metalloproteinases mu Photoaging uye Photocarcinogenesis. International Journal of Molecular Sciences . 2016. 17 (6): pii: E868.
Riahi, R., Bush, A., uye P. Cohen. Topical Retinoids: Maitiro ekurapa Murapa wePododamaged Skin. American Journal of Clinical Dermatology . 2016. 17 (3): 265-76.