Ambulera yanyengo yonse

Ambulera ya nyengo zonse ndi sunscreen.Pali maambulera ambiri opinda, ngakhale mvula kapena dzuwa angagwiritsidwe ntchito.Ndiye, kodi pali vuto lililonse kugwiritsa ntchito ambulera yanyengo yonse?Nthawi zambiri ayi.

Chinsinsi cha chitetezo cha UV chimadalira nsalu ya ambulera yomwe imathandizidwa ndi UV.Chitetezo cha UV ndi chokwanira.M'malo mwake, zotsatira zake zimakhala zoipa.Komabe, pali mikhalidwe yapadera.Mwachitsanzo, ngakhale palibe mankhwala a UV, pali vinyl.Koma zotsatira zake zotsutsana ndi ultraviolet ndizopambana kuposa mankhwala wamba.Ngati nsaluyo ndi yabwino, index ya UV imatha kufika 600+ ndipo mlingo wa shading ndi pafupifupi 100%.Mukatenga ambulera, tsegulani kuti muwone mithunzi yomwe ili pansi.Mithunzi ndi yakuda.Pokhapokha ngati UPF (mtengo wachitetezo cha ultraviolet) uli wokulirapo kuposa 30 ndipo kufalitsa kwa UVA (UVA) ndi kochepera 5% kungatchulidwe kuti ndi chinthu chosamva UV.Mulingo wachitetezo ndi "UPF30 +";Pamene UPF ndi wamkulu kuposa 50, zimasonyeza kuti mankhwala ali kwambiri UV chitetezo.Mulingo wachitetezo umalembedwa kuti "UPF50 +".