Instruct: Classify a given review into positive or negative sentiment.
Query: You get what you pay for.

This product is as cheap in quality as it is in price. I have short dark brown hair (under 8" long) and followed the instructions verbatim, and after 1 treatment you could still see the brown in my hair under lights. Bought a second batch and did it a second time same day to get the remaining brown out, but my hair turned blue with some black. Now 3 days later, it's already almost half washed out and I only shampoo once every other day with special shampoo for color treated hair. A very large disappointment from L'oreal.