Kodi kuwonjezera vitamini A kuzinthu zosamalira khungu ndi chiyani?

Tikudziwa kuti zinthu zambiri zogwira ntchito zili ndi minda yawoyawo.Hyaluronic acid moisturizing, whitening arbutin, Boseline anti wrinkle, salicylic acid acne, ndipo nthawi zina achinyamata ochepa omwe amadula, mongavitamini C,resveratrol, onse oyera komanso odana ndi ukalamba, koma zotsatira zopitilira zitatu zapita.
Pali mamiliyoni azinthu zosamalira khungu, koma palibe zambiri zomwe zingagwiritsidwe ntchito. Komabe, chinthu chimodzi ndi chosiyana, chomwe ndi "mafuta achilengedwe" muzosakaniza zosamalira khungu -vitamini A.
Chifukwa chiyani vitamini A amatchedwa "mafuta achilengedwe" muzosakaniza za skincare? Zotsatira za kuwonjezera vitamini A kuzinthu zosamalira khungu? Ndikuwuzani yankho lero~
Vitamini A ndi mafuta osungunuka. Vitamini A imatha kupitiriza kukula, kusiyana, kuchulukana, ndi keratinization ya khungu. Lili ndi ndiwo zamasamba ndi zipatso zosiyanasiyana, ndipo lilinso lochuluka m’chiŵindi cha nyama, n’kumakwaniritsa zosowa za nyama ndi masamba.
Vitamini A ali ndi mitundu yambiri ndipo sipawiri imodzi, koma mndandanda wa zotumphukira za retinol, kuphatikiza retinol, retinol aldehyde, retinoic acid, retinol acetate, ndi retinol palmitate.
Ubwino wamphamvu wosamalira khungu wa vitamini A umapangitsa kuti nthawi zambiri amagwiritsidwa ntchito pazinthu zosiyanasiyana zosamalira khungu
Komabe, retinol sangathe kuchita mwachindunji pakhungu la munthu. Iyenera kusinthidwa kukhala retinoic acid ndi michere yamunthu kuti ikhale ndi skincare effect.
Kugwiritsa ntchito vitamini A muzinthu zosamalira khungu kumangokhudza kugwiritsa ntchito retinol, retinol, ndi zotumphukira zake. Retinol ndi retinol zitha kusinthidwa mwachangu kukhala retinoic acid, ndikuchita mwachangu kwambiri.
Vitamini A amagwira ntchito yofunika kwambiri pakuwongolera kusiyanitsa kwa ma keratinocyte, motero mphamvu yake imakhala ngati chipata cha damu.
✔Kuyera:
Kuyika kwa melanin ndiye chifukwa chakuda. Vitamini A imatha kulepheretsa kuyika kwa pigment ndikulimbikitsa kukhetsa kwa stratum corneum, kuthetsa bwino vuto la kudzikundikira kwa pigment komanso kukhala ndi mphamvu zoyera.
✔Kuchotsa makwinya:
Vitamini A, monga mkhalapakati, amatha kuyendetsa kagayidwe ka epidermis ndi stratum corneum, pomwe amalimbikitsa kaphatikizidwe ka collagen cell. Kwa makwinya omwe alipo komanso kumasuka kwa minofu, kuwonjezera ndi collagen kungathandize khungu lanu kukhala lachifundo komanso losalala.
✔ Kupititsa patsogolo ukalamba wa zithunzi:
Khungu la munthu likakumana ndi cheza cha ultraviolet, limatha kulimbikitsa ma metalloproteinases (MMPs) m'thupi, kusokoneza dongosolo la kagayidwe ka collagen, ndikukondoweza kwambiri ndi cheza cha ultraviolet, chomwe chingapangitse kupsinjika, kulola collagen yatsopano ndi yakale. kuchotsedwa m'thupi popanda kusiyana.
Choncho vitamini A ali ndi zotsatira zapadera, mogwira kupondereza zigawenga yogwira metalloproteinases MMP1 ndi MMP9, amene satengeka atengeke UV kukondoweza, mogwira kuteteza imfa ya kolajeni, kuteteza photoaging, kuchepetsa makwinya, ndi kumangitsa khungu.
✔ Kuchotsa ziphuphu zakumaso:
Vitamini A ndi wamatsenga kotero kuti sangathe kulimbikitsa selo kusinthika kwa basal stratum corneum, komanso imathandizira kagayidwe kachakudya mlingo wa stratum corneum. Mofanana ndi zotsatira za zipatso za asidi, zimalimbikitsa kukhetsedwa kwa keratin owonjezera ndikutsegula pores. Choncho, nthawi zambiri amagwiritsidwa ntchito pochiza ziphuphu komanso amatha kukwaniritsaanti-yotupa zotsatira.