Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: I’ve been using this product for a while now and what I received doesn’t seem to be authentic. It smells different and after using for a few weeks my hair is like straw. I feel like I received Pantene in a Kerastase bottle.

It smells different and after using for a few weeks my hair is like straw. I feel like I received Pantene in ...