Normal untreated mice were sacrificed after anesthesia. Full-thickness dorsal skin was excised and the hair on the dorsal area was removed using a depilatory cream (Nair, Church & Dwight Co., Inc., Ewing, NJ, USA). Subcutaneous tissue was surgically removed. The skin was washed with distilled water for immediate use [26]. For in-vitro skin permeation and deposition studies, mouse skin was randomly assigned to (a) formulation A group or (b) EtOH group.
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