The revitalizing Tea Tree Lemon Sage Thickening Shampoo by Paul Mitchell gives fine hair volume, strengthens it, and makes it look healthy. The unique blend of strengthening ingredients provides volume and bounce. Panthenol strengthens structurally damaged hair and helps prevent split ends. Lemon extracts, sage, peppermint, and tea tree oil cleanse the hair, stimulate the senses, and have a particularly refreshing effect.