Kev faib tawm cov iav kom zoo nkauj kom ntim cov hom hauv qab no:
Dej qab zib-kua qaub iav: Qhov no yog cov khoom siv ntau thiab dav siv nrog tshuaj ruaj khov thiab tus nqi tsawg. Cov khoom lag luam ntawm cov tawv nqaij cov tawv nqaij xws li lastions thiab cream feem ntau yog ntim rau hauv dej qab-txiv qaub iav.
Borosilicate iav: Cov iav no muaj cov cua sov ua kom zoo, tuaj yeem tiv thaiv cov kev hloov hloov sai sai, thiab muaj cov tshuaj ruaj khov thiab lub zog. Qee cov khoom lag luam xws li cov essences uas xav tau siab kom tsis muaj kuab lossis tswj cov muaj cov khoom xyaw ruaj khov yuav xaiv borosilicate iav ntim.
Xim iav: piv txwv li, xiav, ntsuab, xim av thiab lwm cov iav xim. Cov tsom iav no tuaj yeem ua si lub luag haujlwm ntawm lub luag haujlwm thiab tiv thaiv lub teeb pom kev zoo nkauj. Lawv feem ntau siv nyob rau hauv cov ntim ntawm cov khoom tiv thaiv hnub pom thiab qee yam tseem ceeb roj.
