The skin-permeation-enhancing effect of phosphatidylcholine: caffeine as a model active ingredient

Chinhan Kim1, Jongwon Shim, Sanghoon Han

  • 1Skin Research Institute, Pacific Co/R&D Center, 314-1, Bora-ri, Kiheung-eup, Yongin-si, Kyounggi-do, 449-900, Korea.

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