Cov kev tshawb fawb tsis ntev los no tau kos tau xim rau qhov sib txuas ntawm cov ulteriolet (UV) Rays thiab kev txhim kho ntawm cov xim tsis sib haum ntawm daim tawv nqaij. Cov kws tshawb nrhiav tau ntev paub tias UV hluav taws xob los ntawm lub hnub tuaj yeem ua rau sunburns thiab nce txoj kev pheej hmoo ntawm daim tawv nqaij cancer. Txawm li cas los xij, ib qho kev loj hlob ntawm cov ntaub ntawv pov thawj qhia tias cov duab hluav taws xob no tuaj yeem ua rau cov nqaij tawv me me, ua rau cov xim tsaus nti lossis thaj ua rau thaj chaw ntawm daim tawv nqaij.
Ib qho kev ua kom pom xim tsis zoo uas ntseeg tau rau UV kis tau yog melasmasma, tseem hu ua kev ua noj tshuaj. Qhov mob no yog tus cwj pwm ntawm kev txhim kho cov xim av lossis xim av ntawm lub ntsej muag, feem ntau hauv cov qauv zoo nkauj, thiab feem ntau pom hauv cov poj niam. Thaum lub sijhawm muaj tseeb los ntawm Melasma tsis paub, cov kws tshawb nrhiav ntseeg tias cov tshuaj hormones, noob caj noob ces, thiab UV hluav taws xob yog txhua yam cuam tshuam.
Lwm daim ntawv ntawm pigmentation kev cuam tshuam uas cuam tshuam nrog UV kis tau yog post-inflammatory hyperpigmentation (PIH). Qhov no tshwm sim thaum cov tawv nqaij ua kom ua rau mob pob txuv, xws li pob txuv los yog eczema, thiab melanocytes hauv thaj chaw muaj kev cuam tshuam ntau dua Melanin. Raws li qhov tshwm sim, ua rau thaj ua rau thaj ua rau thaj lossis cov pob muaj peev xwm nyob ntawm daim tawv nqaij tom qab mob tau txais.
Qhov kev sib raug zoo ntawm UV hluav taws xob thiab cov xim muaj xwm txheej tsis txaus ntseeg qhov tseem ceeb ntawm kev tiv thaiv cov tawv nqaij ntawm lub hnub ci ntsa iab. Qhov no tuaj yeem ua tau los ntawm hnav cov khaub ncaws tiv thaiv, xws li ntev-tes tsho tsho thiab cov kaus mom, tshwj xeeb yog qhov tshwj xeeb yog thaum lub sij hawm uv index yog siab.
Rau cov neeg uas twb muaj kev mob pigmentation, muaj kev kho mob uas muaj peev xwm pab txo cov tsos mob ntawm cov xim tsaus lossis thaj ua rau thaj. Cov no suav nrog cov tshuaj pleev cov tshuaj pleev uas muaj cov khoom xyaw xws li hydroquinone lossis retinoids, tshuaj ntxuav tshuaj, thiab kev kho laser cheater, thiab laser. Txawm li cas los xij, nws yog ib qho tseem ceeb kom ua haujlwm nrog tus dermatologist los txiav txim cov kev kho mob zoo tshaj plaws, raws li qee hom kev kho mob yuav tsis haum rau qee yam kev mob tshwm sim tsis zoo.
Thaum lub sij hawm kev sib raug zoo ntawm UV hluav taws xob thiab cov xim tsis zoo tuaj yeem hais txog, nws yog ib qho tseem ceeb uas tsis nco qab tias tsis yog txhua daim pigmentation yog qhov teeb meem lossis qhia txog qhov teeb meem kev noj qab haus huv ntau. Piv txwv li, quav hnav, uas yog pawg ntawm melanin uas tshwm rau ntawm daim tawv nqaij, feem ntau tsis muaj mob thiab tsis tas yuav kho.
Hauv kev xaus, kev sib txuas ntawm UV hluav taws xob thiabpigmentation tsis zoounderscores qhov tseem ceeb ntawm kev tiv thaiv cov tawv nqaij los ntawm lub hnub ci ntsa iab. Los ntawm kev coj cov khaub ncaws tiv thaiv yooj yim xws li hnav cov khaub ncaws tiv thaiv thiab siv tshuaj pleev thaiv hnub, cov tib neeg tuaj yeem pab txo lawv txoj kev pheej hmoo ntawm cov teeb meem ntawm lub hnub ci. Yog tias muaj kev txhawj xeeb tshwm sim, nws yog ib qho tseem ceeb kom sab laj nrog tus dermatologist los txiav txim siab qhov kev kho zoo tshaj plaws.
Lub sijhawm Post: Apr-26-2023
