Tsis zoo li cov ntaub ntub dej uas tsim los rau cov neeg laus, cov ntaub so zoo - cov menyuam yaus zoo feem ntau yog tsim los ntawm cov khoom noj khoom haus - qib spunlace tsis yog - ntaub ntaub. Lawv tsis muaj cawv, tshuaj tsw qab, lossis muaj peev xwm ua xua xws li formaldehyde, perfumes, tshuaj dawb, malonic acid, lossis fluoride. Txij li thaum cawv tuaj yeem ua rau tus menyuam mos cov tawv nqaij thiab cov tshuaj tsw qab tuaj yeem ua rau tsis xis nyob, cov khoom tseem ceeb hauv cov ntaub so me nyuam yog feem ntau cov dej ntshiab -xws li dej ntshiab ultra- dej ntshiab mus rau dej deionized -tshwj xeeb, ntau -purified EDI (Electrodeionization) dej, kom muaj kev nyab xeeb.
High - cov ntaub so me nyuam zoo muaj cov kua qaub pH me ntsis (feem ntau ntawm 5.5 thiab 5.8) kom ua raws li cov kua qaub ib puag ncig ntawm tus menyuam daim tawv nqaij thiab txo qhov cuam tshuam rau daim tawv nqaij tiv thaiv lipid barrier. Tsis tas li ntawd, lawv tsis muaj cov tshuaj ntxiv xws li cov tshuaj fluorescent. Tsis tas li ntawd, txhawm rau ua kom muaj kev nyab xeeb, kev siv siab - cov tshuaj tiv thaiv kev pheej hmoo - xws li Methylisothiazolinone - yuav tsum zam. Raws li kev txhim kho cov khoom lag luam txuas ntxiv mus, qee cov ntaub so me nyuam tam sim no suav nrog cov khoom siv botanical -xws li aloe vera, chamomile, thiab calendula{10}} los txhim kho lawv cov tawv nqaij -cov txiaj ntsig zoo.
