Topical Application of Retinyl Palmitate-Loaded Nanotechnology-Based Drug Delivery Systems for the Treatment of Skin Aging

<table>Ternary phase diagram, with ⚪ and the square (□) representing the selected regions, where TVS is transparent viscous system, OVS is opaque and viscous system, TLS is transparent liquid system, OLS is opaque liquid system, and PS is phase separation.</table>

BioMed Research International

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Figure 2

Figure 2: Topical Application of Retinyl Palmitate-Loaded Nanotechnology-Based Drug Delivery Systems for the Treatment of Skin Aging 