Nws yog ib ntus plaub hau thickening tshuaj tsuag uas txuag cov plaub hau thinning.Ib tug neeg yuav muaj teeb meem plaub hau, siv cov plaub hau loj hlob yuav raug nqi sij hawm thiab nyiaj txiag.Yog li, peb cov plaub hau fiber ntau tuaj yeem pab koj kom muaj lub ntsej muag tuab hauv ib pliag.