Retinol yog cov vitamin fat-soluble uas tau siv dav hauv kev kho kom zoo nkauj. Nws tuaj yeem pom nyob rau hauv cov tshuaj tiv thaiv kev laus, cov plaub hau thiab cov ntsia hlau kho. Ntau cov tshuaj pleev pob txuv kuj tseem muaj vitamin A (retinol). Tab sis nws yog undesirable siv cov khoom nrog nws yam tsis tau sab laj ib tug tshwj xeeb. Cov khoom no tuaj yeem ua rau lub cev tsis zoo.
Discovery keeb kwm
Vitamin A tau tshawb pom hauv xyoo 1913. Tom qab ntawd ib pawg ntawm cov kws tshawb fawb tuaj txog qhov xaus tias nqaij qaib yolk thiab butter muaj cov khoom siv vim tias kev loj hlob ntawm cov tsiaj tshwm sim ntawm qhov nrawm nrawm. Nws tsis hnov mob nrog alkalis thiab tsis pollinated los ntawm feem. Cov khoom tshiab tau hu ua "fat-soluble factor A". Twb tau nyob rau xyoo 1916, nws tau hloov npe hu ua vitamin A (retinol).
Nyob rau hauv thawj ib nrab ntawm lub xyoo pua xeem, nws tau pom tias qhov tsis txaus ntawm cov vitamin A hauv cov khoom noj txhua hnub ua rau txo qis hauv kev tiv thaiv. Cov menyuam yaus loj hlob qeeb, thiab cov neeg laus cov plaub hau poob tawm thiab cov rau tes exfoliate, qhov muag tsis pom kev zoo. Retinol tau ntxiv rau ntau yam kev kho mob thiab tshuaj pleev ib ce. Kev tshuaj xyuas tus neeg mobqhia tau hais tias kev noj qab haus huv thiab zoo li zoo tuaj tom qab siv ib lub lim tiam xwb.
Properties
Hauv nws daim ntawv ntshiab, retinol yog cov tshuaj daj crystalline. Cov vitamin no yog rog soluble. Vitamin muaj peev xwm khaws tau ntau qhov ntau hauv daim siab. Yog li ntawd, yog tias koj txiav txim siab siv retinol, cov lus qhia yuav tsum ua raws. Hauv txhua kis, qhov ntau npaum li cas yuav txawv. Tab sis kev siv retinol ntau ntau kom ua tiav cov txiaj ntsig zoo sai dua tsis tsim nyog.
Vitamin A tshwm sim ib txwm muaj. Piv txwv li, carrots muaj ntau nyob rau hauv retinol. Kev tshuaj xyuas qhia tau tias txhua hnub noj cov zaub no txhim kho qhov pom thiab tawv nqaij. Kuj tseem muaj ntau hom vitamin A uas tuaj yeem tau txais cov khoom siv dag zog xwb. Xws li cov isomers hluavtaws tau xyaum tsis muaj kev phiv, yog li lawv tau siv dav hauv cosmetology.
Kev cuam tshuam ntawm cov tawv nqaij
Cov khoom zoo nkauj ntawm retinol yog raws li nws cov txiaj ntsig ntawm cov hlwb ntawm cov epidermis. Vitamin A ua rau ntau yam kev hloov ntawm daim tawv nqaij. Yog tias ua tau yog lawm, cov kev hloov no yuav zoo. Tab sis kev ywj pheej ntawm kev siv cov tshuaj retinol tuaj yeem ua rau mob hnyav heev thiab txawm tias kub hnyiab.
Retinoid receptors muaj nyob hauv cov hlwb ntawm daim tawv nqaij. Thaum sib cuam tshuam nrog cov vitamin A, cov metabolism hauv cov hlwb hloov. Qhov no txhais tau hais tias nws muaj cov nyhuv stimulating rau ntawm daim tawv nqaij. Muaj cov txheej txheem ntawm kev rov tsim dua tshiab. Nws tsis yog coincidence uas retinol yog siv los kho pob txuv. Cov lus qhia rau kev siv cov tshuaj uas muaj cov tshuaj no piav qhia txog cov theem thiab cov txheej txheem rau kev kho daim tawv nqaij. Ua ntej siv lub cuab yeej, nco ntsoov nyeem cov ntawv ntxig. Cov nyhuv stimulating ntawm vitamin A txuas ntxiv mus rau lwm 4 lub hlis tom qab kawg ntawm kev siv nws. Yog li ntawd, nws tsis tuaj yeem siv tsis tu ncua.
Cov tshuaj muaj txiaj ntsig zoo rau kev ua haujlwm ntawm cov txheej txheem keratinocyte sib txawv, pab kho pob txuv thiab ua rau daim tawv nqaij elastic dua. Cov neeg mob tswj kom zoo kawg nkaus kho seborrhea siv retinol. Roj tov yog qhov zoo tshaj plaws siv rau lub caij ntuj no. Vitamin A tuaj yeem ua rau tawv nqaij photosensitivity.
Retinoic peeling
Vitamin A yog siv dav hauv tsev thiab salon cosmetology. Hauv cov poj niam hnub nyoog tshaj 30 xyoo, xws li cov txheej txheem xws li retinoic peeling yog nrov heev. Nws tsuas tuaj yeem ua tau los ntawm tus kws tshaj lij hauv lub chaw ua haujlwm tsim nyog. Txhawm rau tshem tawm cov tawv nqaij zoo nkauj, ncab cov cim, pob txuv, retinol yog siv. Cov tshuaj yog npaj los ntawm ib tug cosmetologist tam sim ntawd ua ntej tus txheej txheem.
Retinoic peeling yog qhov mob tiag tiag. Ib qho kev daws teeb meem tshwj xeeb yog siv rau thaj chaw teeb meem thiab tos ib lub sijhawm. Lub sijhawm ntawm cov txheej txheem yog nyob ntawm qhov teeb meem yuav daws tau. Cov kab mob hnyav lossis pob txuv nti tuaj yeem raug tshem tawm hauv ob peb zaug xwb. Retinoic peeling yog pom zoo thaum lub caij txias. Tam sim ntawd tom qabtxheej txheem, me ntsis liab tshwm ntawm daim tawv nqaij, uas ploj mus rau hnub tom qab.
Retinol hauv lub tsev muag tshuaj
Vitamin yog nthuav tawm hauv cov khw muag tshuaj hauv daim ntawv ntawm cov tshuaj "Retinol acetate". Nws muaj daim ntawv thov dav thiab tuaj yeem sau rau cov neeg laus thiab menyuam yaus. Tsuas yog cov koob tshuaj yuav txawv. Rau kev loj hlob thiab kev loj hlob ntawm lub cev, retinol feem ntau xav tau. Cov lus qhia rau kev siv cov tshuaj saum toj no piav qhia txog nws cov txiaj ntsig ntawm tib neeg lub cev. Cov roj tov pab ua kom cov tawv nqaij tiv thaiv kev puas tsuaj ib puag ncig, ua kom cov txheej txheem tsim dua tshiab.
Cov tshuaj "Retinol acetate" tuaj yeem siv ob qho tib si sab nraud thiab sab hauv. Cov roj hauv cov tshuaj ntsiav tuaj yeem tshem tawm cov vitamin A tsis txaus los ntawm kev noj zaub mov tsis txaus. Rau cov menyuam yaus, feem ntau cov kev kho mob yog muab rau thaum ntxov caij nplooj ntoos hlav, thaum lub sij hawm ntawm beriberi. Cov tshuaj pab txhawb cov pob txha apparatus, txhim kho kev pom.
Tsis txhob siv cov khoom uas muaj retinol yam tsis muaj kws kho mob pom zoo. Cov lus qhia rau kev siv cov tshuaj nrog xws li ib feem nyob rau hauv muaj pes tsawg leeg piav qhia thiab ntau npaum li cas nyob rau hauv ntau yam. Tab sis cov yam ntxwv ntawm tus kheej ntawm lub cev yuav tsum tau coj mus rau hauv tus account. Retinol yog adsorbed nyob rau hauv nyias seem ntawm txoj hnyuv thiab yog ib nrab ntawm lub cev tawm tom qab 9 teev. Txij li thaum vitamin A accumulates nyob rau hauv lub cev, nws tsuas siv tau nyob rau hauv cycles.
"Retinol acetate". Yuav siv li cas
Cov tshuaj yog npaj rau kev siv qhov ncauj thiab sab nraud. Cov neeg mob raug kev txom nyem los ntawm hypovitaminosiscov tshuaj yuav tsum tau noj ntawm qhov ncauj. Ib yam khoom uas muaj retinol, tsim nyob rau hauv capsules, yog qhov zoo tagnrho. Nws yuav tsum tau siv nruj me ntsis raws li cov lus qhia. Cov neeg laus raug muab tshuaj ib capsule ob zaug ib hnub twg. Cov tshuaj yuav tsum tau noj 20-30 feeb tom qab noj mov.
Yog tias koj xav siv retinol rau pob txuv, nws yog qhov zoo tshaj los xaiv cov roj uas muaj nws. Ob peb tee yog siv rau thaj chaw teeb meem ntawm daim tawv nqaij ob zaug ib hnub. Kev kho pob txuv ntau tuaj yeem ntxiv los ntawm kev siv cov vitamin A sab hauv. Hauv qhov no, tus kws kho mob yuav txiav txim siab qhov koob tshuaj kom raug.
Cov tshuaj no kuj siv tau zoo hauv kev kho mob kub hnyiab. Nyob rau hauv cov ntaub ntawv no, compresses nrog ib tug roj tov yog ua. "Retinol acetate" yog siv rau thaj tsam cuam tshuam thiab npog nrog cov ntaub qhwv ntsej muag. Nyob rau theem pib, nws yuav tsum tau hloov compresses ob peb zaug hauv ib hnub.
Kev npaj uas muaj vitamin A tsis raug tshuaj rau cov menyuam yaus hnub nyoog qis dua xya xyoo. Muaj tsawg zaus, lawv yuav siv tau retinol los kho cov teeb meem ntawm daim tawv nqaij. Cov lus qhia rau kev siv hais tias rau cov menyuam mos, cov khoom uas muaj cov tshuaj no tsuas yog siv sab nraud xwb. Qhov ntau npaum yuav tsawg. Rau cov menyuam yaus hnub nyoog tshaj xya xyoo, nws yuav tsum tsis pub tshaj 4 tee ib hnub.
Thaum cev xeeb tub, kev siv cov tshuaj retinol tsis txwv. Tab sis nws yuav tsum nco ntsoov tias vitamin A kuj tuaj yeem muab rau tus menyuam hauv plab nrog zaub mov. Txhawm rau kom tsis txhob noj ntau dhau, koob tshuaj txhua hnub ntawm retinol yuav tsum tsis pub ntau tshaj 1 tee ntawm cov roj tov. Kev tshawb nrhiav ntsig txog daim ntawv thovvitamin thaum lactation, tsis tau ua.
Siv hauv cosmetology. Reviews
Vim qhov tseeb tias vitamin A txhawb kev tsim kho ntawm daim tawv nqaij, nws tau siv dav hauv ntau yam khoom siv tshuaj pleev ib ce. Cov ntxhais hauv tsev txawm ntxiv cov tshuaj retinol rau cream. Kev tshuaj xyuas qhia tau tias cov vitamin pab tshem tawm pob txuv sai sai thiab thawj cov cim ntawm daim tawv nqaij laus.
Cov kws tshaj lij cosmetologists tshuaj xyuas ntawm retinol tawm tsis meej. Ntawm qhov tod tes, cov vitamin no tsuas yog tsim nyog rau kev tsim kho ntawm tes thiab cov hluas ntawm daim tawv nqaij. Ntawm qhov tod tes, retinol yuav tsum tau siv nrog ceev faj. Tom qab tag nrho, nws tuaj yeem ua rau mob hnyav heev. Yog li ntawd, kev siv cov tshuaj uas muaj cov tshuaj no, yam tsis tau sab laj nrog tus kws kho mob tshwj xeeb hauv tsev, yog qhov tsis tsim nyog. Tab sis cov tshuaj nplaum zoo nrog cov vitamin A, raws li kws tshuaj pleev ib ce, yuav muaj txiaj ntsig zoo rau ntawm daim tawv nqaij. Thiab yog tias cov khoom raug xaiv los ntawm tus kws tshaj lij, cov nyhuv zoo dua qub yog lav.
Retinol acetate rau cov plaub hau
vitamin A tsis txaus cuam tshuam tsis tsuas yog kev noj qab haus huv ntawm daim tawv nqaij, tab sis kuj rau cov plaub hau. Qhov no tshwj xeeb tshaj yog pom los ntawm kev sib deev ncaj ncees. Nyob rau hauv thaum ntxov caij nplooj ntoos hlav, cov plaub hau ua npub thiab nkig, thiab pib poob tawm. Retinol pab txhawb kev ua haujlwm ntawm cov qog sebaceous, ua kom cov keratin sai sai, thiab cov khoom no yog cov khoom siv tseem ceeb rau cov plaub hau.
Retinol acetate rau cov plaub hau tuaj yeem siv ntau txoj hauv kev. Ua tau zoo yog qhov ncauj qhov ntswg nrog cov roj tov. Hauv ib liter dejntxiv 5 ml ntawm kev daws. Cov khoom no yog siv rau cov plaub hau qhuav. Tom ntej no, qhwv lub taub hau nrog cling zaj duab xis thiab tos txog ib teev. Lub npog ntsej muag tau yooj yim ntxuav tawm nrog dej sov thiab tshuaj zawv plaub hau. Tsis tas li ntawd, cov tshuaj "Retinol acetate" tuaj yeem siv sab hauv. Nws tseem ceeb heev uas yuav tsum ua tib zoo ua raws li cov lus qhia.
Kev Tiv Thaiv
Tshuaj pleev ib ce nrog retinol feem ntau ua rau tawv nqaij qhuav thiab khaus khaus. Accustom lub cev rau vitamin A yuav tsum maj mam. Yog tias koj siv cov cream nrog nws, thaum xub thawj tsuas yog siv ob peb zaug hauv ib lub lis piam. Tshuaj pleev ib ce nrog retinol yog siv nyob rau hauv cov chav kawm. Tsis txhob hnov qab tias vitamin A accumulates nyob rau hauv lub cev.
Retinol cov khoom yuav tsum tsis txhob siv rau ntawm daim tawv nqaij ua ntej tawm mus. Raws li kev cuam tshuam ntawm ultraviolet hluav taws xob, cov khoom oxidizes thiab ua nruj dua. Koj tuaj yeem raug kub hnyiab. Feem ntau, kev kho mob nrog kev siv tshuaj "Retinol acetate" yog qhov zoo tshaj plaws ua rau lub caij txias. Yog tias qhov no ua tsis tau, kev kho mob yog siv thaum hmo ntuj.
Yuav ua li cas kom zoo
Vitamin A molecules oxidize sai heev nyob rau hauv kev cuam tshuam ntawm ib puag ncig yam. Yog li ntawd, khaws cov tshuaj, uas muaj xws li retinol, yog nyob rau hauv ib qho chaw zoo tiv thaiv los ntawm lub teeb. Kev saib xyuas tshwj xeeb yuav tsum tau them rau lub ntim. Nws yog undesirable mus yuav cov tshuaj nyob rau hauv ib lub thawv pob tshab. Tsis muaj leej twg paub yuav ua li cas cov khoom tau khaws cia ua ntej nws mus rau lub tsev muag tshuaj. Nyob rau hauv tus ntawm qhov kub thiab txias, retinol tsis hloov nws cov khoom. Yog li ntawd, tsis tas yuav khaws cov tshuaj nrog nws cov ntsiab lus hauv lub tub yees.
