1 Elastic liposomes-in-vehicle formulations destined for skin therapy: The synergy between type of liposomes and vehicle Zora Palac 1 , Julia Hurler 2 , Nataša Škalko-Basnet 2 , Jelena Filipović-Grčić 1 , Željka Vanić 1* 1 Department of Pharmaceutics, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia 2 Drug Transport and Delivery Research Group, Department of Pharmacy, Faculty of Health Sciences, University of Tromsø, 9037 Tromsø, Norway Keywords: deformable liposomes, propylene glycol liposomes, hydrogel, cream, sustained release, texture analysis, hydrophilic drug, skin *Correspondence: Željka Vanić A. Kovačića 1, 10000 Zagreb, Croatia Tel +3851 6394 762 Fax +385 1 4612 691 Email: zeljka.vanic@pharma.hr