Dermatologist Dr. Muneeb Shah returns to answer more of the internet's burning questions about skin and dermatology. Can the skin develop a dependency on chapstick? What causes dry skin? What lives on the skin's microbiome? If we shed skin cells everyday, why don't tattoos fade away?Director: Justin WolfsonDirector of Photography: Charlie JordanEditor: Richard TrammellExpert: Dr. Muneeb ShahLine Producer: Joseph BuscemiAssociate Producer: Brandon WhiteProduction Manager: D.