Matrix Biologe Shampoo is $18.00 for a small bottle here in Houston. Although it is expensive, I have used the Ultra Hydrating shampoo for years because it was the only product that suited my hair. But, the last 4 bottles I bought made my hair unruly and I could not figure out why. When I looked up what people were saying online, I found out that they changed their formula. I emailed the company and asked if this was true and they told me to call another department. . I responded to that email in this way: . I have stopped using your products. I consider it stealing my money when you change your product and don’t say anything. I purchased about 4 bottles of your $18.00 Ultra Hydrating shampoo after you changed the formula and couldn’t figure out what was wrong. Then I look it up online to find out you changed the formula. And, when I asked you about this directly, you give me another number to call. Your new product makes my hair dry and unmanageable. . So, I have stopped buying your product after years of being loyal to you because. 1: It is a bad product 2: You are a dishonest company. . Robbin Nelson