Figure 7

Normalized OCT intensity profiles of human skin.
(a–d) OCT in-depth reflectance profiles for the human skin topically applied with S1-S4. (e–h) S1@A-S4@A at 0, 20, 40, 60 and 80 min, respectively.
Normalized OCT intensity profiles of human skin.
(a–d) OCT in-depth reflectance profiles for the human skin topically applied with S1-S4. (e–h) S1@A-S4@A at 0, 20, 40, 60 and 80 min, respectively.