hydration AQUAPORIN 3 NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis CASPASE 14 NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis CD44 NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis CERAMIDE NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis CERS-3 NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis Hyaluronic acid NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis Hyaluronic acid syntase 2 NORMAL HUMAN SKIN 3D SKIN EQUIVALENT Reconstructed epidermis