Polylactic acid (PLA) o se polyester aliphatic thermoplastic.O le lactic acid poʻo le lactide e manaʻomia mo le gaosiga o le polylactic acid e mafai ona maua e ala i le faʻafefeteina, faʻamaʻaina ma le faʻamamaina o punaoa faʻafouina.O le polylactic acid e maua mai e masani lava ona i ai ni mea fa'ainisinia lelei ma fa'agaioiga, ma e mafai ona vave fa'aleaga oloa polylactic acid i auala eseese pe a uma ona lafoa'i.