Jason Dandruff Relief Treatment Shampoo & Conditioner (2 in 1) is a dual action product as it is a shampoo and conditioner all in one. This formulation cleanses and conditions and also controls scalp dermatitis and psoriasis. Using this product will help to treat and control dandruff. The active ingredient Pyrithione Zinc helps to control the dandruff, eliminates flakes and reduces itchiness. This product is ideal for use on all hair types. Regular use will not only help with dandruff but it will help condition the hair leaving it looking and feeling great.