Thaum peb loj hlob tuaj, peb cov tawv nqaij pib muaj hnub nyoog, thiab muaj ntau yam teeb meem. essence tuaj yeem sau cov txheej hauv qab ntawm daim tawv nqaij. Nws qhov hnyav molecular yog me me thiab nws cov permeability muaj zog. Siv mis nyuj los yog qab zib, uas tsuas yog nyob ntawm qhov chaw. Yog tsis muaj kev noj qab haus huv thiab nqus cov as-ham ntawm lub hauv paus ntawm daim tawv nqaij, cov hlwb ntawm lub hauv paus yuav tsis muaj qhov tseem ceeb, thiab cov txiaj ntsig ntawm kev saib xyuas ntawm daim tawv nqaij yuav tsis zoo.
Essence yog cov khoom siv kho mob ntawm daim tawv nqaij nrog cov ntsiab lus siab thiab ntshiab cog extract essence cov khoom xyaw. Nws muaj kev ua haujlwm ntawm moisturizing thiab kho cov as-ham. Nws yog ib qho khoom tsis tseem ceeb rau cov poj niam txoj kev tu tawv nqaij. Vim tias nws yog lub hom phiaj, ua haujlwm tau zoo, thiab nrawm, nws tau dhau los ua lub zog muaj zog hauv cov khoom siv tawv nqaij yooj yim, thiab nws tau tswj xyuas cov poj niam hluas thiab tsis muaj hnub nyoog.
