Fig. 11From: Development of Polymeric Micelles of Oleanolic Acid and Evaluation of Their Clinical EfficacyResults of secondary endpoint R1, R2, R4, and R5 for skin wrinkle measurement—before use, after 4 weeks use, and after 8 weeks use of the test product and the control. Please refer to Table 4 for the exact values (A.U. for arbitrary unit)Back to article page