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Nanotechnological products have been used as strategies to optimize the therapy and minimize the side effects of topical corticoids. The objective of this study was to develop hydrogels by the addition of sclerotium gum to the suspensions of desonide-loaded açai oil-based nanocapsules and to study their biological effect using an animal model of acute skin inflammation. The hydrogels presented a pH compatible with topical application (4.4 to 5.0), nanometric mean diameter (131 to 165 nm), pseudoplastic behavior, and stability under room conditions during 30 days. The  in vitro  skin permeation/penetration study demonstrated that a higher amount of desonide ( p  &lt; 0.05) was retained in the epidermis from the nanotechnological-hydrogels (0.33 to 0.36 µg.cm 2 ) in comparison to the commercial gel cream (0.16 µg.cm 2 ). In the dermis, the nanostructured hydrogels promoted a lower DES retention compared to the non-nanostructured formulations ( p  &lt; 0.05). This result may indicate a smaller amount of drug reaching the bloodstream and, thus, fewer side effects can be expected. Concerning the anti-inflammatory effect, the developed hydrogels reduced both ear edema and inflammatory cell infiltration, showing an effect comparable to the commercially available formulation, which presents twice the drug concentration. The hydrogels developed may be considered a promising approach to treat dermatological disorders.

Development of a nanotechnological hydrogel containing desonide nanocapsules in association with acai oil: design and in vivo evaluation