Peb lub hom phiaj yog muab cov khoom lag luam zoo, ruaj khov thiab muaj kev nyab xeeb raws li qhov xav tau ntawm cov neeg siv khoom. Peb lav ris txhua yam lub luag haujlwm rau peb cov khoom thiab kev pabcuam, ua tus neeg muab khoom txhim khu kev qha thiab ntseeg siab hauv kev lag luam ntawm gelatin thiab collagen.
