The amounts of penetration of caffeine and Arbutin® were tested, in vitro, using Franz diffusion cell ... For enhancing the effectiveness, active ingredients should be delivered into the cell in the dermis.
Epidermal membranes는 Franz diffusion cells에 세워졌으며, 그들의 PBS 침투율은 glycol ethers가 epidermal surface에 적용되기 ... Epidermal membranes were set up in Franz diffusion cells and their permeability to PBS measured to establish ... , such as hydrophilic, because with the partition coefficient and solubility mechanisms and passive diffusion
