Sebaceous Lipids
Lipid class Range weight, % Mean weight, % Triglycerides 20–60 45 Wax esters 23–29 25 Squalene 10–14 12 Free-fatty acids 5–40 10 Cholesterol and sterol esters 1–5 4 Diglycerides 1–2…
Nuclear Hormone Receptors and Epidermal Differentiation
Fig. 7.1 Keratinocyte differentiation involves changes in the protein and lipid composition of different epidermal layers. Epidermal proliferation and differentiation are essential for the formation of the cornified layer and…
Skin Lipids: An Introduction and Their Importance
© Springer Science+Business Media New York 2015Apostolos Pappas (ed.)Lipids and Skin Health10.1007/978-3-319-09943-9_1 1. Skin Lipids: An Introduction and Their Importance Apostolos Pappas1 (1) The Johnson & Johnson Skin Research Center, CPPW, a division of Johnson…
Skin Ceramides
Fig. 5.1 Structures of human stratum corneum ceramides (Ponec et al. 2003) accompanied by shorthand nomenclature (Motta et al. 1993). Ceramides are arranged from least polar at the top of…
