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Confocal laser scanning microscopy. (A) CLSM image of control gel; (B) CLSM image of liposomal gel showing less penetration of drug; (C) CLSM image of ethosomal gel showing penetration of drug as far as the last layer (stratum basale) of epidermis (Reproduced with permission from reference [45]) Copy right 2012, Elsevier.
