Dab tsi yog kev siv cov vitamin A ntxiv rau cov khoom siv tawv nqaij?

Peb paub tias feem coob ntawm cov khoom xyaw nquag muaj lawv cov teb.Hyaluronic acid moisturizing, arbutin whitening, Boseline anti wrinkle, salicylic acid pob txuv, thiab qee zaum ob peb cov tub ntxhais hluas uas muaj kev sib tsoo, xws livitamin C,resveratrol, ob qho tib si ntxuav hniav dawb thiab los tiv thaiv kev laus, tab sis ntau tshaj peb qhov cuam tshuam tau ploj mus.
Muaj ntau lab ntawm cov khoom siv tawv nqaij, tab sis tsis muaj ntau yam uas tuaj yeem siv tau. Txawm li cas los xij, ib qho khoom xyaw yog qhov tshwj xeeb, uas yog "cov roj thoob ntiaj teb" hauv cov khoom siv tawv nqaij -vitamin A.
Vim li cas cov vitamin A hu ua "universal oil" nyob rau hauv cov khoom xyaw ntawm daim tawv nqaij? Dab tsi yog qhov cuam tshuam ntawm kev ntxiv vitamin A rau cov khoom siv tawv nqaij? Hnub no kuv mam qhia koj cov lus teb ~
Vitamin A yog fat-soluble vitamin. Vitamin A tuaj yeem tswj cov kev loj hlob ib txwm muaj, sib txawv, kev loj hlob, thiab keratinization ntawm daim tawv nqaij. Nws yog nplua nuj nyob rau hauv ntau yam zaub thiab txiv hmab txiv ntoo, thiab kuj muaj ntau nyob rau hauv lub siab ntawm cov tsiaj, raws li cov kev xav tau ntawm cov nqaij thiab zaub ua ke.
Vitamin A muaj ntau hom thiab tsis yog ib qho sib xyaw ua ke, tab sis muaj cov khoom sib txuas ntawm retinol, suav nrog retinol, retinol aldehyde, retinoic acid, retinol acetate, thiab retinol palmitate.
Cov txiaj ntsig zoo ntawm daim tawv nqaij muaj zog ntawm vitamin A ua rau nws siv ntau yam khoom siv tawv nqaij
Txawm li cas los xij, retinol tsis tuaj yeem ua ncaj qha rau tib neeg daim tawv nqaij. Nws yuav tsum tau hloov mus rau hauv retinoic acid los ntawm tib neeg cov enzymes thiaj li yuav muaj kev tu tawv nqaij.
Kev siv cov vitamin A hauv cov khoom tu tawv nqaij tsuas yog siv cov retinol, retinol, thiab lawv cov derivatives. Retinol thiab retinol tuaj yeem metabolized sai sai rau retinoic acid, nrog rau kev ua tau zoo tshaj plaws.
Vitamin A ua lub luag haujlwm tseem ceeb hauv kev tswj hwm qhov sib txawv ntawm keratinocytes, yog li nws cov txiaj ntsig zoo li lub rooj vag ntawm lub pas dej.
✔Whitening:
Lub deposition ntawm melanin yog lub txim ntawm darkening. Vitamin A tuaj yeem cuam tshuam cov pigment deposition thiab txhawb cov stratum corneum, thiab daws tau qhov teeb meem ntawm pigment accumulator thiab muaj zog whitening nyhuv.
✔Tshem tawm wrinkles:
Vitamin A, raws li tus neeg nruab nrab, tuaj yeem tswj cov metabolism hauv epidermis thiab stratum corneum, thaum txhawb nqa collagen cell synthesis. Rau cov wrinkles uas twb muaj lawm thiab cov leeg relaxes, ntxiv nrog collagen tuaj yeem pab koj cov tawv nqaij rov qab zoo dua.
✔ Txhim kho cov duab laus:
Thaum tib neeg cov tawv nqaij raug ultraviolet hluav taws xob, nws tuaj yeem txhawb cov metalloproteinases (MMPs) hauv lub cev, cuam tshuam cov txheej txheem collagen metabolism hauv ib txwm, thiab ua kom muaj zog ntau dhau los ntawm ultraviolet hluav taws xob, uas tuaj yeem tsim cov lus teb kev ntxhov siab, tso cai rau collagen tshiab thiab qub. raug tshem tawm ntawm lub cev yam tsis muaj qhov sib txawv.
Yog li cov vitamin A muaj cov nyhuv tshwj xeeb, ua kom muaj txiaj ntsig zoo ntawm cov neeg ntxeev siab ntawm metalloproteinases MMP1 thiab MMP9, uas tsis tshua muaj kev cuam tshuam rau UV stimulation, zoo tiv thaiv kev poob ntawm collagen, tiv thaiv kev yees duab, txo wrinkles, thiab zawm ntawm daim tawv nqaij.
✔ Tshem tawm pob txuv:
Vitamin A yog li tej yam yees siv uas nws yuav tsis tsuas txhawb lub cell regeneration ntawm lub basal stratum corneum, tab sis kuj accelerate lub metabolic tus nqi ntawm lub stratum corneum. Zoo ib yam li cov nyhuv ntawm cov txiv hmab txiv ntoo acid, nws txhawb lub shedding ntawm ntau keratin thiab unblocks pores. Yog li ntawd, nws feem ntau siv los kho pob txuv thiab tuaj yeem ua tiavanti-inflammatory teebmeem.