Research Article

Antiaging Activity of Peptide Identified from Fermented Trapa Japonica Fruit Extract in Human Dermal Fibroblasts

Figure 6

Clinical study on the antiaging effect of PEP. A formulation containing 0.5% PEP was applied to the face of 22 female subjects twice a day for 8 weeks. (a) Roughness parameters (R1, skin roughness; R2, maximum roughness; R3, average roughness; R4, smoothness depth; R5, arithmetic average roughness) and (b) representative photographs. ; vs. control group.
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