Controlled drug delivery 1 Delivery 1 Design-expert 1 Drug products 1 Ex-vivo 1 Hyperhydrosi 1 In-vitro 1 Nanoemulgel Nanoemulsion 1 Non Newtonian flow 1 Oxybutynin 1 Particle Size 1 Particle size 1 Particles sizes 1 Penetration 1 Release 1 Shear Flow 1 Shear flow 1 Shear thinning 1 Side effect 1 Skin permeation 1 Surface active agents 1 Surfactants 1 Targeted drug delivery 1 Viscosity 1 Zeta Potential 1 Zeta potential 1 hyperhydrosis 1 nanoemulgels 1 nanoemulsion 1