Research Article
[Retracted] Development of Niacinamide/Ferulic Acid-Loaded Multiple Emulsion and Its In Vitro/In Vivo Investigation as a Cosmeceutical Product
Figure 8
Noninvasive in vivo investigations of placebo and MNF on different skin parameters for 12 weeks. (a) Skin erythema for the patch test. (b) Skin erythema, (c) skin melanin, (d) skin sebum, (e) skin moisture, and (f) skin elasticity. Values are expressed as the and , where .
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