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Cellular morphology changes of the HDF cells exposed to Lemongrass EO (C. flexuosus) at 1 % (v/v) and citral at 0.25 % (v/v) over a 2-h period. The images shown represent images captured at 1, 10, 30 and 60 min, respectively, using the LumaScope 500. ×40 objective
