this review title is: left my hair oily and the content is: i have oily roots and dry ends i was not able to use this shampoo for more than a few days as it caused my hair to be even oilier just hours after washing the thickening declaration may be true but i was not able to use it long enough to tell.there are other information for this review, one is this reviewer did purchase it and the other is 4 people think this review is helpful.