UVA-UVB Photoprotective Activity of Topical Formulations Containing Morinda citrifolia Extract
Figure 4
Hematoxylin-eosin stained histological sections. (a) Nonirradiated group-NIC showing thin epidermal lining and absence of dermal inflammation. (b) Irradiated-IC and (c) vehicle groups-IV presenting epidermal thickening and intense lymphocytic infiltration in the dermal tissue. (d) Elastotic change of the collagen. (e) 10% and (f) 15% formulations showing marked reduction of the inflammatory response. Note the thin epidermis in 15% formulation. Short thick arrows: epidermis. Long thin arrows: dermal connective tissues (Hematoxylin Eosin, 400x magnification).
