Dab tsi yog pla fillers?

Pla fillers yog ib hom dermal muab tub lim los ntawm polylactic acid. PLA yog cov khoom siv biodegradable uas tuaj yeem nqus tau los ntawm lub cev thiab yog siv dav hauv cov tshuaj. Pla fillers tuaj yeem siv los sau cov duab ntsej muag wrinkles, kev ntxhov siab, nti, thiab lwm yam teeb meem rau cov tshuaj pleev ib yam.