Cov tshuaj pleev thaiv hnub lub cev, feem ntau hu ua cov tshuaj pleev thaiv hnub ntxhia, ua haujlwm los ntawm kev tsim lub cev tiv thaiv ntawm daim tawv nqaij uas tiv thaiv nws los ntawmhnub ci.
Cov tshuaj pleev thaiv hnub no muab kev tiv thaiv dav dav los ntawm kev cuam tshuam UV hluav taws xob deb ntawm koj cov tawv nqaij. Lawv kuj pab tiv thaiv UVA cuam tshuam ntawm daim tawv nqaij, suav nrog hyperpigmentation thiab wrinkles.
Mineral sunscreens kuj tseem tuaj yeem pab thaiv UVA rays uas los ntawm qhov rais, uas tuaj yeem ua rau pigmentation thiab tawg ntawm collagen. Yog li ntawd nws yog ib qho tseem ceeb uas yuav tsum hnav cov tshuaj pleev thaiv hnub txhua hnub, txawm tias koj tsis npaj mus sab nraud.
Cov tshuaj pleev thaiv hnub ntxhia feem ntau yog tsim nrog zinc oxide thiab titanium oxide, ob cov khoom xyaw pom tau tias muaj kev nyab xeeb thiab siv tau los ntawm Food and Drug Administration (FDA) Trusted Source.
Micronized zinc oxide lossis titanium sunscreens - lossis cov uas muaj cov khoom me me - ua haujlwm zoo litshuaj pleev thaiv hnublos ntawm absorbing UV rays.
"Zinc oxide sunscreens feem ntau pom zoo rau cov neeg uas muaj tawv nqaij rhiab heev, nrog rau pob txuv, thiab maj mam siv rau cov menyuam yaus," hais tias Elizabeth Hale, MD, board muaj ntawv pov thawj kws kho mob dermatologist thiab tus lwm thawj ntawm Skin Cancer Foundation Trusted Source.
"Lawv kuj muab kev tiv thaiv dav dav tshaj plaws (tawm tsam UVA thiab UVB rays) thiab tau pom zoo rau cov uas siv tshuaj pleev thaiv hnub rau lawv lub ntsej muag thiab caj dab txhua hnub, vim lawv ua haujlwm los tiv thaiv UVA kev puas tsuaj txhua xyoo nrog rau wrinkles, xim av, thiab yees duab, ”nws hais.
Tag nrho cov txiaj ntsig, kom paub meej, tab sis cov tshuaj pleev thaiv hnub ntxhia muaj ib qho downside: Lawv tuaj yeem chalky, tsis yooj yim rau kis, thiab - feem ntau glaringly - zoo li tawm hauv qab ib qho kev pom dawb rau ntawm daim tawv nqaij. Yog hais tias koj muaj ib tug darker complexion, qhov no cam khwb cia dawb yuav pom tau hais tias tshwj xeeb tshaj yog.Txawm li cas los xij, nrog UnipromaLub cev UV limkoj yeej't muaj kev txhawj xeeb li ntawd. Peb txawm hais tias qhov loj me me thiab cov pob tshab siab endows koj cov mis zoo heev xiav theem thiab tus nqi SPF siab.
Post lub sij hawm: Apr-05-2022