
In vitro and in vivo topical delivery studies of tretinoin-loaded ultradeformable vesicles
Keywords: UDV, ultradeformable vesicles; SC, stratum corneum; SPC, soybean phosphatidylcholine; RA, retinoic acid; RAR, retinoic acid receptors; ER, electrical resistance; ED, epidermis + dermis; MTT, Thiazolyl Blue Tetrazolium Bromide; DMSO, Dimethyl Sulfoxide; TH