Kunaka kweganda uye kutarisira

Ganda ndiro nhengo ine nguva yakareba yakatarisana nemamiriro ekunze uye ine nzvimbo huru yakananga zvakananga kumhepo.Iyo zvakare imwe yenhengo ine yakakura yakananga kuratidzwa kune PM2.5 uye yekutanga kudzivirira yemuviri wemunhu.PM2.5 mumhepo ine simba guru paganda, kunyanya ganda rechiso.

Kune anopfuura 20,000 pores muganda rechiso chemunhu, ane dhayamita inosvika 20-50 microns, mapores aya ndiwo mugero weoiri inovanzwa nesebaceous glands kuti iyerere kune ganda pamusoro;nepo dhayamita yePM2.5 particles mumhepo isingasviki 2.5 microns, iyo iduku zvikuru kudarika dhayamita ye pores, saka zvimedu zvakanaka zvinogona kupinda mu pores, bvudzi follicles uye sebaceous glands zvakanaka.

Zvidzidzo zvakaratidza kuti zvimedu zvinofambiswa nemhepo zvinogona kuwedzera sebum secretion, zvichiita kuti kuve neacne, blackheads uye mamwe matambudziko eganda.

Iyo yakakwira mwero wezvimedu mune yega microenvironment, iyo yakakwirira sebum level uye zvakanyanya nyore ganda remafuta uye mvura chiyero chinokanganiswa.