Konke Odinga Ukukwazi Nge-Vitamin C Ukunakekelwa Kwesikhumba

-Delile

• Kuyisongelo sokulwa nokuguga okuphindwe kathathu.
• Vele ugcine engqondweni ukuthi kudume ngokungazinzi.
• Udinga ukuyisebenzisa kanye kuphela ngosuku.
• Buyekeza kwe-

Ungakucabanga njengevithamini elivelele engilazini yakho yasekuseni ye-OJ, kepha uvithamini C ubuye ahambise izinzuzo eziningi lapho usetshenziswa ngokwezihloko-futhi kungenzeka ukuthi ukubonile kuvela emikhiqizweni yakho yokunakekela isikhumba kakhulu. Noma isithako kungeyona ingane entsha ebhlokini, ngokuqinisekile singenye yezidume kakhulu okwamanje. UTed Lain, MD, udokotela wesikhumba e-Austin, TX, uveza lokhu ekuqondeni okukhulayo kokulimaza isikhumba sethu ... nokuthi uvithamini C angasiza kanjani. "Sekuphinde kwavela ukuthandwa kwemikhiqizo kavithamini C ngenxa yokwanda kwemiphumela yelanga nokungcoliswa komoya esikhunjeni, kanye nezinzuzo zokuvikela izithako," usho kanje. (Okuningi ngalokho ngomzuzu.)

Ngakho-ke yini yonke i-hype? Nokho, amadokhumenti esikhumba ayayithanda ngenxa yezimfanelo zayo eziningi zokulwa nokuguga, okuyenza ibe yisixazululo esihlakaniphile sazo zonke izinhlobo zokukhathazeka ngebala. Lapha, isazi esiphansi kule vithamini ye-VIP.

Kuyisongelo sokulwa nokuguga okuphindwe kathathu.

Okokuqala nokubaluleke kakhulu, i-vitamin C iyi-antioxidant enamandla. "Ukuchayeka emisebeni ye-UV kanye nokungcola kudala uhlobo lwe-oksijini olusebenzayo-noma i-ROS-esikhumbeni, okungalimaza i-DNA yamangqamuzana akho futhi kuholele kuzo zombili izimpawu zokuguga nomdlavuza wesikhumba," kuchaza uDkt. Lain. "I-Vitamin C isebenza ukunciphisa lezo zi-ROS ezilimazayo, ivikela amangqamuzana esikhumba sakho." (I-FYI, lokhu kwenzeka noma ngabe ukhuthele kakhulu ngokusetshenziswa kwesikrini selanga, yingakho wonke umuntu nawo wonke umuntu angazuza ngokusebenzisa ama-antioxidants.

Ngemuva kwalokho, kunamakhono akhanyayo. I-Vitamin C-aka ascorbic acid-iyisikhukhula esincane esingasiza ekuqedeni amangqamuzana esikhumba angenawo umbala noma anombala, kuchaza udokotela wesikhumba waseNew York City u-Ellen Marmur, MD Ngaphezulu kwalokho, kuyasebenza nokusiza ukuvimbela i-tyrosinase, i-enzyme ebaluleke kakhulu ekukhiqizeni okusha i-pigment; i-tyrosinase encane ilingana namamaki amnyama ambalwa. Ukuhumusha: U-Vitamin C womabili asiza ukufiphala amabala akhona futhi avimbele ukwakheka kwamasha, aqinisekise ukuthi isikhumba sakho asihlali ndawo. (Inqobo nje uma usebenzisa i-sunscreen njalo, kunjalo.)

Futhi ekugcineni, ake sikhulume ngokukhiqizwa kwe-collagen. Ngokusebenza njenge-antioxidant, kugcina leyo ROS enesifo ekuqhekekeni kokubili i-collagen ne-elastin (egcina isikhumba siqinile). Ezinye izifundo zikhombisile nokuthi uvithamini C uvusa ama-fibroblast, amaseli akhiqiza i-collagen, kuphawula u-Emily Arch, MD, udokotela wesikhumba eDermatology + Aesthetics eChicago. (Futhi FYI, akukaze kube kusesekuseni kakhulu ukuthi uqale ukuvikela i-collagen esikhumbeni sakho.)

Ngalezi zinhloso zokwakha ama-collagen, indlela odla ngayo nayo ibalulekile. Ngokocwaningo olushicilelwe ku I-American Journal of Clinical Nutrition, ukudla okuphezulu kwe-vitamin C kwakuhlotshaniswa nesikhumba esincane esishwabene. Uvithamini C ongadleki usiza kakhulu ngokukhiqizwa kwe-collagen kunezinguqulo zezihloko, kusho uDkt. Arch, njengoba ekwazi ukufinyelela izingqimba ezijulile zesikhumba ku-dermis. Cabanga ngalesi esinye futhi isizathu sokulayisha izithelo nemifino ecebile ngovithamini C njengopelepele obomvu, amahlumela eBrussels, nama-strawberry. (Okuningi kulokho lapha: Imithombo 8 Emangazayo Yezakhamzimba)

Vele ugcine engqondweni ukuthi kudume ngokungazinzi.

Inkinga enkulu lapha ukuthi uvithamini C cishe awuzinzile njengoba unamandla. Ukuvezwa komoya nokukhanya kwelanga kungashesha kwenza isithako singasebenzi, kuxwayisa udokotela wesikhumba waseNew York City uGervaise Gerstner, MD Bheka imikhiqizo efakwe emabhodleleni we-opaque bese uyigcina endaweni epholile, eyomile, uyanezela.

Ungafuna futhi ifomula ehlanganisa ivithamini ne-ferulic acid, enye i-antioxidant enamandla: "I-Ferulic acid ayisebenzeli nje kuphela ukuzinzisa uvithamini C kodwa futhi ikhulisa futhi ithuthukise imiphumela yayo," kuchaza uDkt Lain. I-SkinCeuticals C E Ferulic ($ 166; skinceuticals.com) iyintandokazi yesikhathi eside yederm. (Okuhlobene: Imikhiqizo Yokunakekelwa Kwesikhumba Odokotela Besikhumba Bayathanda)

Kukhona nesigaba esisha ngokuphelele sama-powders e-vithamini C, okuhloswe ukuthi axutshwe nanoma yisiphi isithambisi, i-serum, noma i-sunscreen; ngombono, lokhu kuzinze kakhulu ngoba mancane amathuba okuthi ahlangane nokukhanya.

Udinga ukuyisebenzisa kanye kuphela ngosuku.

Akukho ukushoda kwemikhiqizo emisha esekelwe kuvithamini C laphaya; sikhuluma konke kusuka kuma-serum kuya ezinduku kuya kumaski kuya kwinkungu ... nakho konke okuphakathi. Noma kunjalo, ukuze uthole imali eningi kakhulu, ukubheja kwakho okuhle yi-serum. Akukhona nje kuphela ukuthi lawa mafomula ngokuvamile aqukethe ukugxilisa okuphezulu kwesithako esisebenzayo, futhi afakwa kalula ngaphansi kweminye imikhiqizo, kusho uDkt. Gerstner.

Ozozama: Image Skincare Vital C Hydrating Anti-Aging Serum ($ 64; imageskincare.com). Gcoba amaconsi ambalwa kukho konke ukuhlanzwa kwakho ngemva kobuso, ukuvikela ilanga kusengaphambili njalo ekuseni. Futhi uma uzama ukonga imali ethile (ngoba masibhekane nakho, imikhiqizo kavithamini C ngokuvamile ibiza kakhulu), uDkt. Arch uphawula ukuthi ungakwazi ngempela ukubalekela ukusebenzisa umkhiqizo wakho kavithamini C zonke izinsuku. "Uma uyisebenzisela ukukhanyisa kungcono ukuyisebenzisa nsuku zonke, kodwa ngenxa ye-antioxidant, ungayisebenzisa zonke izinsuku kusukela lapho isivele esikhumbeni, ibonakala isebenza amahora angu-72," echaza.

Njenganoma yisiphi isithako esinamandla sokunakekelwa kwesikhumba, sinamandla okubangela ukucasuka, ikakhulukazi uma isikhumba sakho sizwela ukuqala. Izikhathi zokuqala kufanele ziqale ngokuzisebenzisa izikhathi ezimbalwa kuphela ngeviki, bese zikhuphula kancane kancane imvamisa uma isikhumba sakho singakubekezelela.

Buyekeza kwe-