Cov kev tshawb fawb tsis ntev los no tau kos xim rau kev sib txuas ntawm kev raug ultraviolet (UV) rays thiab kev loj hlob ntawm pigmentation teeb meem ntawm daim tawv nqaij. Cov kws tshawb fawb tau paub ntev ntev tias UV hluav taws xob los ntawm lub hnub tuaj yeem ua rau tshav kub kub thiab ua rau muaj kev pheej hmoo ntawm mob qog noj ntshav. Txawm li cas los xij, lub cev loj hlob ntawm cov pov thawj qhia tau hais tias cov rays no tuaj yeem ua rau muaj ntau tshaj ntawm melanin, cov xim uas ua rau cov tawv nqaij nws cov xim, ua rau pom qhov tsaus me ntsis lossis thaj ua rau ntawm daim tawv nqaij.
Ib qho teeb meem pigmentation uas ntseeg tau tias txuas nrog UV raug yog melasma, tseem hu ua chloasma. Tus mob no yog tus cwj pwm los ntawm kev loj hlob ntawm cov xim av lossis greyish thaj ua rau thaj ntawm lub ntsej muag, feem ntau nyob rau hauv ib tug symmetrical qauv, thiab feem ntau pom nyob rau hauv cov poj niam. Txawm hais tias qhov tseeb ua rau melasma tsis paub, cov kws tshawb fawb ntseeg tias cov tshuaj hormones, noob caj noob ces, thiab UV hluav taws xob yog tag nrho cov txiaj ntsig.
Lwm daim ntawv ntawm pigmentation teeb meem uas cuam tshuam nrog UV raug yog post-inflammatory hyperpigmentation (PIH). Qhov no tshwm sim thaum daim tawv nqaij ua mob, xws li nyob rau hauv cov pob txuv los yog eczema, thiab cov melanocytes nyob rau hauv cov cheeb tsam cuam tshuam tsim ntau tshaj melanin. Yog li ntawd, thaj ua rau thaj uas tsis muaj xim lossis cov pob zeb yuav nyob twj ywm ntawm daim tawv nqaij tom qab qhov mob tau ploj mus.
Kev sib raug zoo ntawm UV hluav taws xob thiab pigmentation teeb meem underscores qhov tseem ceeb ntawm kev tiv thaiv daim tawv nqaij los ntawm lub hnub lub teeb rays. Qhov no tuaj yeem ua tau los ntawm kev hnav khaub ncaws tiv thaiv, xws li lub tes tsho ntev thiab lub kaus mom, thiab siv cov tshuaj pleev thaiv hnub nrog SPF yam tsawg 30. Nws tseem ceeb heev kom tsis txhob raug lub hnub ntev, tshwj xeeb tshaj yog thaum lub sij hawm ncov thaum lub UV Performance index. siab.
Rau cov neeg uas twb muaj teeb meem pigmentation, muaj cov kev kho mob uas tuaj yeem pab txo qis qhov pom ntawm qhov tsaus nti lossis thaj ua rau thaj. Cov no suav nrog cov tshuaj pleev ib ce uas muaj cov khoom xyaw xws li hydroquinone lossis retinoids, tshuaj pleev ib ce, thiab kho laser. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tau ua hauj lwm nrog ib tus kws kho mob dermatologist los txiav txim seb qhov kev kho mob zoo tshaj plaws, vim qee qhov kev kho mob yuav tsis haum rau qee hom tawv nqaij lossis tej zaum yuav ua rau muaj kev phiv tsis zoo.
Txawm hais tias kev sib raug zoo ntawm UV hluav taws xob thiab pigmentation teeb meem tuaj yeem cuam tshuam, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias tsis yog txhua hom pigmentation yog teeb meem lossis qhia txog teeb meem kev noj qab haus huv loj dua. Piv txwv li, freckles, uas yog pawg melanin uas tshwm sim 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 mobunderscores qhov tseem ceeb ntawm kev tiv thaiv daim tawv nqaij los ntawm lub hnub lub teeb rays. Los ntawm kev ceev faj yooj yim xws li hnav khaub ncaws tiv thaiv thiab siv tshuaj pleev thaiv hnub, cov tib neeg tuaj yeem pab txo lawv txoj kev pheej hmoo ntawm kev tsim cov pigmentation thiab lwm yam teeb meem ntawm daim tawv nqaij. Yog tias muaj kev txhawj xeeb, nws yog ib qho tseem ceeb uas yuav tau sab laj nrog kws kho mob dermatologist los txiav txim seb qhov kev kho mob zoo tshaj plaws.
Post lub sij hawm: Apr-26-2023
