Fig. 1From: The collagen enhancement by Spirulina extract in intrinsic and extrinsic skin aging in albino ratMorphology of the albino rat shaved skin. A GI-control group, B GII-SE, C GIII-UVA group, D GIV-UVA + SE group, E GV-old untreated group and F GVI-old + SE groupBack to article page