Fig. 1. Comparison in replica images of SKH-1 hairless mice skin applied with test compounds for 4 wks. N: saline-treated normal group, C: UVB-irradiated control group, RA 0.01%: 0.01% retinoic acid-treated group, GT 2%: 2% green tea-treated group, WT 2%: 2% white tea-treated group, BT 2%: 2% black teatreated group. As compared with C group, RA and CSWE groups reduced wrinkle formation in a pattern of shallow furrows and thin and narrow crests.
