...ay to Use Hair SerumWe all wan...touchable hair that looks.... If your hair often feels dry, frizzy, or...a simple serum routine...at a good hair day actu...sy 5-Step Serum RoutineI...gh gently for even distr...et it air dry or style a...es that effortless softn...le on the hair, smells f...Use Hair Serum the Righ...