Dandruff is caused by an over abundance of the micro-organisms which activate the skin"s exfoliation process. It can be dry or greasy and is usally accompanied by itching. J.F.Lazartigue"s Anti-Dandruff Treatment cream soothes, disinfects and heals the scalp. It purifies and softens the scalp, eliminating dandruff flakes and stabilising the cornea (the outer layer of the epidermis) Zinc Pirithione, the main ingredient, makes this formula remarkably effective from the first application. The formula purifies and tones the scalp without using a harsh tar that damages the hair to give hair lustre, shine and body that dandruff and oil take away. Can be used as part of a dandruff treatment or for maintenance to keep scalp dandruff free.