Development and Characterization of Thermal Water Gel Comprising <i>Helichrysum italicum</i> Essential Oil-Loaded Chitosan Nanoparticles for Skin Care oleh Sofia M. Saraiva, Ana Margarida Crespo, Filipa Vaz, Melanie Filipe, Daniela Santos, Telma A. Jacinto, Ana Cláudia Paiva-Santos, Márcio Rodrigues, Maximiano P. Ribeiro, Paula Coutinho, André R. T. S. Araujo