Instruct: Classify Amazon reviews into positive or negative sentiment
Query: I WISH I BOUGHT THIS HAIR-DRYER 7 YEARS AGO!

This is the best $35 investment that I could have possibly made for my hair. I have thick, coarse, curly-ish with a semblance of a wave hair so blow-drying it can be quite a challenge. This hair dryer gets my hair very straight in no time.