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Effects of ginsenoside Rb1 on skin elasticity in chronic UVB-irradiated male hairless (HRM-1) mice [31]. The experiments were performed as described in Figure 9. The dorsal skin was lifted up and skin stretch was measured using a digimatic caliper. Skin elasticity after UVB irradiation was measured every week. Values are the mean ± SE for 6 mice. *Significantly different from vehicle-treated mice, P < 0.05.
