Wella SP Men Maxximum Tonic is a clinically proven way to fight thinning hair and hereditary hair loss. Strengthening hair anchorage, it increases the lifecycle of the hair, and stimulates the scalp.Using proven ingredients Wella SP Men Maxximum Tonic leads the fight against hair loss. Formulated with biotin to help strengthen hair from within, this clinically proven product utilises caffeine to stimulate the scalp functions and lauric acid to help protect against the factors that cause hair loss.