Effects of honeybush extract and fermented honeybush treatment on UVB-induced skin thickening in hairless mice. (A) Hematoxylin and eosin staining of UVB-irradiated hairless mouse skin. (B) Epidermal thickness of dorsal skin. Original magnification was 200×. Data are reported as relative percentages of the UVB group measurements. * p <0.05; HB = honeybush extracts, STC HB = fermented honeybush.