research Distribution of Glycolipid and Unsaturated Fatty Acids in Human Hair 18 citations, August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
research Epimedium Brevicornum Maxim Extract Enhances Melanin Biosynthesis and Melanosome Biogenesis/Transfer 6 citations, September 2022 in “Frontiers in pharmacology” Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.