Wella Sp Balance Scalp Energy Serum Designed to reduce hair loss by upto 50% this Balance Scalp Energy Serum from Wella is an intense strengthening serum that boasts a mixture of Zinc Pyriothon Complex & Energizing Complex to give you the best results. Working to stimulate the supply of daily nutrients to the hair this serum soothes the scalp whilst providing vitamins to thinning hair in order to increase your hair's longevity. Directions of use: Massage gently into the scalp. Do not rinse out. Use three times weekly; in the case of acute hair loss use daily. For optimal results use SP Balance Scalp Shampoo to prepare scalp.