title: The new face of fillers: why evidence and experience both count.
authors: Hema
authors: H
authors: Sundaram
mesh_terms: D002072:Butylene Glycols / Q000737:chemistry*; D003357:Cosmetic Techniques; D006801:Humans; D006820:Hyaluronic Acid / Q000737:chemistry*; D015595:Skin Aging
chemical_list: D002072:Butylene Glycols; D006820:Hyaluronic Acid; C014376:1,4-bis(2,3-epoxypropoxy)butane