Our attention was captured by the interesting debate on the identification of lipofuscins. lipofuscin-like lipopigments. or flavins as the responsible for intracellular autofluorescence (AF) detected in epithelial cancer stem cells when exciting at 480-490 nm. Evidence was provided leading to ascribe AF emission to flavins accumulating in cytoplasmic structures. https://www.bekindtopets.com/limited-stock-Hi-Shine-Shampoo-32-oz-must-buy/