Kev laus yog ib qho txheej txheem uas tsis tuaj yeem ua rau muaj ntau yam kev hloov pauv hauv peb lub cev, tshwj xeeb tshaj yog nyob rau hauv peb cov tawv nqaij. Ib qho ntawm cov cim tseem ceeb tshaj plaws ntawm kev laus yog qhov poob ntawm lub ntsej muag ntim, ua rau sagging tawv nqaij, wrinkles, thiab ib tug nkees tsos. Nyob rau hauv xyoo tas los no, hyaluronic acid lub ntsej muag fillers tau tshwm sim
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