Brand from Japan: Rohto Mentholatum. 2.5% antifungal formula, powerful anti-dandruff.Powerful formula contains selenium sulfide 2.5% (w/v).Medically proven to effectively inhibit the fungus that causes scalp and scalp itching - pityrosporum ovale.Head oil encourages dandruff bacteria.This formula can also control excessive secretion of oil on the head, which is detrimental to the breeding of dandruff bacteria, and has dual functions of treating the scalp.How to use:Please shake well before use and wet your hair with water first.Massage 5-10ml of fungal formula into hair and roots, leave for 2-3 minutes, then rinse.It is recommended to use it at least twice a week or as directed by your doctor.Can be used in rotation with other shampoos.For external use only.