Figure 3.
In vitro transdermal and dermal delivery of HA-ES, ES, and PGS in mouse skin after 8 h of topical administration (A, cumulative transdermal permeation; B, cumulative curcumin content in the skin (n = 3); C, CLSM tomography of psoriasis-like mouse skin; D, calculated curcumin permeation depth into the skin by CLSM tomography (n = 3). *p < 0.05, **p < 0.01, ***p < 0.001. HA, hyaluronic acid; HA-ES, curcumin-loaded HA-modified ethosomes; ES, curcumin-loaded ethosomes; PGS, curcumin 25% propylene glycol solution.