Cov tshuaj pleev thaiv hnub uas siv lub cev, feem ntau hu ua cov tshuaj pleev thaiv hnub uas muaj cov mineral, ua haujlwm los ntawm kev tsim ib daim thaiv lub cev ntawm daim tawv nqaij uas tiv thaiv nws ntawmlub hnub ci.
Cov tshuaj pleev thaiv hnub no muab kev tiv thaiv dav dav los ntawm kev cuam tshuam cov hluav taws xob UV tawm ntawm koj daim tawv nqaij. Lawv kuj pab tiv thaiv kev puas tsuaj ntawm daim tawv nqaij uas cuam tshuam nrog UVA, suav nrog hyperpigmentation thiab wrinkles.
Cov tshuaj pleev thaiv hnub uas muaj cov mineral kuj tseem pab thaiv cov teeb UVA uas los ntawm cov qhov rais, uas ua rau cov xim tawv nqaij thiab ua rau cov collagen puas. Yog vim li ntawd nws thiaj li tseem ceeb uas yuav tsum hnav tshuaj pleev thaiv hnub txhua hnub, txawm tias koj tsis npaj yuav mus sab nraum zoov los xij.
Feem ntau cov tshuaj pleev thaiv hnub uas muaj cov minerals yog tsim los ntawm zinc oxide thiab titanium oxide, ob yam khoom xyaw uas tau lees paub tias muaj kev nyab xeeb thiab siv tau zoo los ntawm Food and Drug Administration (FDA) Trusted Source.
Cov tshuaj pleev thaiv hnub uas muaj cov zinc oxide me me los yog titanium — los yog cov uas muaj cov khoom me me heev — ua haujlwm zoo ib yam litshuaj pleev thaiv hnublos ntawm kev nqus cov duab UV.
"Cov tshuaj pleev thaiv hnub zinc oxide feem ntau pom zoo rau cov neeg uas muaj kev tsis haum tshuaj rau daim tawv nqaij, suav nrog pob txuv, thiab mos txaus siv rau cov menyuam yaus," Elizabeth Hale, MD, tus kws kho mob tawv nqaij uas tau ntawv pov thawj thiab yog tus lwm thawj coj ntawm Skin Cancer Foundation Trusted Source hais.
"Lawv kuj muab kev tiv thaiv dav dav tshaj plaws (tawm tsam ob qho tib si UVA thiab UVB rays) thiab pom zoo rau cov neeg uas siv tshuaj pleev thaiv hnub rau lawv lub ntsej muag thiab caj dab txhua hnub, vim lawv ua haujlwm los tiv thaiv kev puas tsuaj UVA thoob plaws hauv ib xyoos suav nrog wrinkles, xim av me ntsis, thiab photoaging," nws hais.
Txhua yam zoo, yeej muaj tseeb, tab sis cov tshuaj pleev thaiv hnub mineral muaj ib qho tsis zoo: Lawv tuaj yeem ua xim av, nyuaj rau nthuav tawm, thiab - qhov tseem ceeb tshaj plaws - feem ntau yuav tso cov xim dawb rau ntawm daim tawv nqaij. Yog tias koj muaj daim tawv nqaij tsaus dua, qhov xim dawb no tuaj yeem pom tseeb tshwj xeeb.Txawm li cas los xij, nrog Unipromacov lim dej UV lub cevkoj yeej't muaj kev txhawj xeeb zoo li no. Peb qhov kev faib tawm ntawm cov khoom me me thiab qhov pom tseeb siab ua rau koj cov mis zoo heev theem xiav thiab tus nqi SPF siab.
Lub sijhawm tshaj tawm: Plaub Hlis-05-2022