Kev nrhiav tau ntawm qhov khoom siv, qhov tsim nyog rau hnub ci tshav ntuj, xws li looj tsom iav dub, yog teeb meem zoo ziab thiab kev paub txog ntawm qhov tseeb qauv ncauj ke. Zoo iav yuav tsis tsuas yog ib qho zoo nkauj kho kom zoo nkauj, tab sis tseem muaj kev tiv thaiv kev tiv thaiv ntawm ob lub qhov muag los ntawm teeb meem ultraviolet hluav taws xob. Yog li, yuav ua li cas xaiv lub iav khaub ncaws?
Yuav ua li cas xaiv txoj cai looj tsom iav?
Txoj kev daws teeb meem rau txoj hauj lwm tseem ceeb no pib nrog lub ntsiab lus ntawm cov khoom uas siv lo ntsiab muag ntawm koj lub tsom iav. Muaj ob qho kev xaiv: iav lossis yas.
Yas nws tus kheej tsis tiv thaiv UV hluav taws xob, yog li ntawd qhov siv tau zoo li cov tsom iav los ntawm cov ntxaij lim dej uas siv rau nws. Lo ntsiab muag los ntawm cov khoom no yooj yim scratched, yog li thaum koj yuav cov tsom iav, koj yuav tsum tam sim ntawd yuav ib tug haum cover. Txawm li ntawd los, qhov zoo ntawm cov yas yog tias nws muaj kev ruaj ntseg, xws li cov ntsiab lus tsis crumble thaum tawg cia rau hauv me me pieces, tab sis tsuas yog them nrog ib tug cobweb ntawm tawg.
Cov iav, hauv qhov txawv ntawm cov yas, tsis txhob cia lub ultraviolet dhau ntawm tag nrho, yog li koj muaj peev xwm yuav xws li tsom iav txawm tias lawv yuav luag los yog heev faintly obscured. Iav lo ntsiab muag yuav luag tsis tau khawb, tab sis lawv tuaj yeem tsoo, uas yog qhov txaus ntshai heev. Yog li ntawd, cov neeg uas tsav tsheb los yog koom nrog hauv kev ua kis las, xws li tsom iav tsis pub hnav. Tsis tas li ntawd, cov iav hnyav hnyav dua li lub hnab yas, uas tsim teeb meem ntxiv rau tus choj ntawm lub qhov ntswg.
Tam sim no xav seb yuav ua li cas xaiv txoj cai looj tsom iav, nyob ntawm seb lawv cov ntawv tiv thaiv li cas. Muaj 3 lub ntsiab ntawm cov iav tsom iav.
- Thawj zaug - tshuaj pleev ib ce, lawv cov cim "Cosmetic". Cov iav xws li ntawm 51 mus rau 100% ntawm cov hluav taws xob thiab hnav thaum lub hnub tsis qaim, piv txwv, thaum yav tsaus ntuj lossis huab cua.
- Qhov thib ob theem ntawm kev tiv thaiv - General - universal tsom iav rau niaj hnub hnav hauv lub nroog. Lawv thaiv ntawm 50 mus rau 70% ntawm ultraviolet rays.
- Qhov thib peb theem yog qhov siab UV tiv thaiv tsom iav. Cov tsom iav ua kom thaiv teeb meem rays thiab lawv tuaj yeem hnav tau so ntawm lub hiav txwv lossis hauv toj siab.
Cov ntaub ntawv ntawm qhov kev tiv thaiv tau muaj nyob rau ntawm daim ntawv lo, nrog rau daim ntawv pov thawj uas yuav tsum muaj rau cov hnub ci kom pom zoo. Feem ntau muaj cov lus qhia txog ob qho yeeb yam ntawm kev tiv thaiv los ntawm UV-rays: A thiab B-qeb. Thaum teb cov nqe lus nug ntawm cov tsom iav qhov muag, cov kws kho mob pom zoo kom yuav cov qauv no uas cov cim ntsuas ob sab tshaj 50%.
Yuav ua li cas xaiv cov qauv ntawm cov looj tsom iav dub?
Tab sis qhov zoo ntawm lub iav tsis tuaj yeem ceev tau zoo rau kev noj qab haus huv ntawm koj ob lub qhov muag, tab sis kuj yog ib qho khoom siv zoo heev uas yog adorns thiab ua tiav cov duab. Txoj cai tseem ceeb thaum xaiv cov qauv looj tsom iav: tsis txhob yuav lawv tib yam li koj lub ntsej muag. Piv txwv, cov menyuam ntxhais yuav tsum tsis txhob yuav cov hnub ci looj tsom iav. Lub ntiaj teb daim ntawv, uas haum rau yuav luag txhua tus neeg, yog teardrop, uas yog, qauv looj tsom iav dub.
Thaum xaiv tus qauv ntawm lub ntug thiab cov qhwv ntsej, koj kuj yuav tsum tau qhia koj tus kheej rau ntawm lub ntsej muag nta.
Nws tsim nyog them nqi rau qhov dav ntawm tsom iav. Lawv yuav tsum tsis txhob tawm tsam cov npoo ntawm lub ntsej muag, tab sis lawv yuav tsum tsis txhob dhau. Optimum piv: lub dav ntawm lub thav duab yog 1.5-2 cm loj tshaj lub dav ntawm lub ntsej muag nyob rau hauv qhov chaw uas lub tsom iav yog hnav. Kev txheeb rau qhov kev mob no yuav pab kom sib npaug thiab sib haum xeeb ntawm lub ntsej muag.