In Vitro Biocompatibility Evaluation of Nine Dermal Fillers on L929 Cell Line

Figure 2

Morphologic evaluation of L929 cells exposed to different HA filler extracts. Observation conduced at 24 h (first column), 48 h (second column), 72 h (third column), and haematoxylin/eosin staining after 72 h (forth column). Magnification 100x.