Abstract

Niosomal vesicular systems containing resveratrol, alpha-tocopherol and curcumin as single agents and in combination, were designed with the aim to develop novel cosmeceutical formulations. The effects of antioxidants co-encapsulation on the physico-chemical properties of the carriers, their antioxidant properties and in vitro percutaneous permeation profiles were evaluated. Results showed that the co-encapsulation of resveratrol/curcumin and alpha-tocopherol/curcumin affected the physico-chemical properties of niosomes and the entrapment efficiencies values, respect to the formulations containing the single antioxidant. The antioxidants in vitro percutaneous permeations appeared to be controlled and improved respect to the corresponding free solutions used as control. Moreover the antioxidants combinations resulted in a promoted ability to reduce free radicals, due to a synergic antioxidant action.

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