Figure 4From: A new water-based topical carrier with polar skin-lipidsFluorescence microscopy images. a) frozen section of normal skin stained with hematoxylin viewed by light microscopy, b) auto fluorescence of untreated epidermis, c) auto fluorescence of petrolatum with penetration only into stratum corneum, d)auto fluorescence of the total lipid formulation (variation A) with penetration into the viable epidermis and dermis.Back to article page