Alterna Life Restore Scalp & Follicle Extra Strength Serum is the first comprehensive scalp and follice restoration treatment program designed to promote fuller, healthier-looking hair.Directions Spray onto clean, towel-dried hair and massage into scalp. May also be used as a leave-in nightime treatment. Should be applied at least once a day and used with Alternas Life Restore Shampoo and Conditioner for Thinning Hair for maximum results.