Vim li cas ho siv cov xim av cuav?
Cov tshuaj pleev tawv nqaij cuav, cov tshuaj pleev tawv nqaij tsis siv hnub lossis cov tshuaj siv los ua kom tawv nqaij zoo li tawv nqaij tab tom nrov zuj zus vim tias tib neeg paub ntau ntxiv txog qhov txaus ntshai ntawm kev raug tshav ntuj ntev thiab kub hnyiab. Tam sim no muaj ntau txoj hauv kev los ua kom tawv nqaij zoo li tawv nqaij yam tsis tas yuav raug tshav ntuj, cov no suav nrog:
Cov xim pleev xim (dihydroxyacetone)
Cov xim pleev xim (bronzers)
Cov tshuaj ua kom tawv nqaij daj (tyrosine thiab psoralens)
Solaria (sunbeds thiab sunlamps)
Yog dab tsidihydroxyacetone?
Tus neeg pleev xim tsis muaj hnub cidihydroxyacetone (DHA)Tam sim no yog txoj hauv kev nrov tshaj plaws los ua kom koj lub ntsej muag zoo li xim av yam tsis raug tshav ntuj vim nws muaj kev pheej hmoo tsawg dua li lwm txoj hauv kev muaj. Txog niaj hnub no, nws yog tib qho khoom xyaw nquag uas tau pom zoo los ntawm US Food and Drug Administration (FDA) rau kev pleev xim av yam tsis muaj tshav ntuj.
DHA ua haujlwm li cas?
Txhua yam tshuaj pleev tawv nqaij uas tsis siv hnub ci muaj DHA. Nws yog ib qho qab zib 3-carbon uas tsis muaj xim uas thaum siv rau ntawm daim tawv nqaij ua rau muaj kev sib xyaw nrog cov amino acids hauv cov hlwb ntawm daim tawv nqaij ua rau muaj qhov tsaus ntuj. DHA tsis ua rau daim tawv nqaij puas tsuaj vim nws tsuas cuam tshuam rau cov hlwb sab nraud ntawm daim tawv nqaij (stratum corneum).
Xws li cov formulationsDHApuas muaj?
Muaj ntau yam tshuaj pleev kom tawv nqaij tanning uas muaj DHA nyob hauv khw thiab ntau yam yuav hais tias yog cov tshuaj zoo tshaj plaws. Xav txog cov ntsiab lus hauv qab no thaum txiav txim siab seb cov tshuaj twg zoo tshaj plaws rau koj.
Qhov concentration ntawm DHA tuaj yeem yog li ntawm 2.5 txog 10% lossis ntau dua (feem ntau yog 3-5%). Qhov no yuav sib xws nrog cov khoom lag luam uas teev cov xim sib txawv ua lub teeb, nruab nrab, lossis tsaus. Cov khoom uas muaj qhov concentration qis dua (xim sib dua) yuav zoo dua rau cov neeg siv tshiab vim nws zam txim ntau dua rau kev siv tsis sib xws lossis cov chaw ntxhib.
Qee cov tshuaj pleev ib ce kuj tseem yuav muaj cov tshuaj pleev kom noo noo. Cov neeg siv uas muaj daim tawv nqaij qhuav yuav tau txais txiaj ntsig los ntawm qhov no.
Cov tshuaj uas muaj cawv yuav zoo dua rau cov neeg uas muaj tawv nqaij oily.
DHA muab qee qhov kev tiv thaiv tawm tsam cov teeb UV (UVA). Txhawm rau kom tiv thaiv tau UV ntau ntxiv, qee yam khoom kuj muaj tshuaj pleev thaiv hnub.
Alpha hydroxy acids txhawb kev tshem tawm cov hlwb tuag ntau dhau ntawm daim tawv nqaij yog li yuav tsum txhim kho qhov sib npaug ntawm cov xim.
Tej zaum yuav ntxiv lwm cov khoom xyaw kom yooj yim siv lossis ua kom cov xim nyob ntev dua. Nug koj tus kws muag tshuaj kom tau lus qhia.
Koj siv cov tshuaj uas muaj DHA li cas?
Qhov kawg tau los ntawm DHA self-tanning preparations yog nyob ntawm tus neeg siv cov txheej txheem. Kev saib xyuas, kev txawj thiab kev paub dhau los yog qhov tseem ceeb thaum siv cov khoom no. Cov hauv qab no yog qee cov lus qhia rau kev siv tus kheej kom ua tiav qhov zoo nkauj thiab sib npaug.
Npaj daim tawv nqaij los ntawm kev ntxuav thiab tom qab ntawd siv cov loofah exfoliation; qhov no yuav zam kev siv xim tsis sib xws.
Siv cov tshuaj hydroalcoholic, acidic toner los so daim tawv nqaij, vim qhov no yuav tshem tawm cov alkaline residues ntawm xab npum lossis cov tshuaj ntxuav uas yuav cuam tshuam rau qhov kev sib xyaw ntawm DHA thiab amino acids.
Ua ntej tshaj, ua tib zoo muab cov dej rau thaj chaw ntawd, thiab xyuam xim kom suav nrog cov pob txha ntawm pob luj taws, pob taws thiab hauv caug.
Siv rau ntawm daim tawv nqaij ua tej txheej nyias nyias rau txhua qhov chaw uas koj xav tau xim, tsawg dua rau daim tawv nqaij tuab dua, vim tias xim yuav nyob ntev dua rau cov chaw no.
Yuav kom tsis txhob muaj qhov tsaus ntuj tsis sib xws ntawm cov cheeb tsam xws li lub luj tshib, pob luj taws thiab lub hauv caug, tshem cov tshuaj pleev ntau dhau ntawm cov pob txha nrog daim ntaub paj rwb ntub lossis daim ntaub flannel ntub.
Ntxuav tes tam sim ntawd tom qab siv kom tsis txhob tawv tes. Los yog, hnav hnab looj tes thaum siv.
Yuav kom tsis txhob muaj xim rau khaub ncaws, tos 30 feeb kom cov tshuaj qhuav ua ntej hnav khaub ncaws.
Tsis txhob txiav plaub hau, da dej, lossis ua luam dej tsawg kawg ib teev tom qab siv cov tshuaj no.
Rov siv dua tsis tu ncua kom xim tsis hloov.
Cov chaw ua tanning salons, spas thiab gyms yuav muab kev siv cov tshuaj tanning tsis muaj hnub rau cov kws tshaj lij.
Tus kws tshaj lij uas muaj kev paub dhau los tuaj yeem siv tshuaj pleev.
Ib qho kev daws teeb meem tuaj yeem raug airbrushed rau ntawm lub cev.
Nkag mus rau hauv lub rooj muag tanning tsis muaj hnub rau kev siv tag nrho lub cev.
Ceev faj kom npog qhov muag, daim di ncauj thiab cov ntaub so ntswg kom tiv thaiv kev nqos lossis nqus cov pa uas muaj DHA.
Lub sijhawm tshaj tawm: Lub Rau Hli-20-2022