Instruct: Classify the given review as either positive or negative.
Query: Blech

Had high hopes for this shampoo, being a lap swimmer and liking to use natural products whenever possible. But no. This shampoo, used with the "conditioner" by the same maker, not only did not feel good in the shower but also left my hair stiff and frizzy with a straw-like texture. Truly the worst shampoo and conditioner I have ever used.