best clarifying shampoo in the drugstore

I really liked the product. My hair felt like it was always greesy, even after a shower. I used this for about 2 weeks, mais my hair is now shinny and soft. Wouldn't recommend if your hair is colored, but otherwise it's a great shampoo. the only thing I didn't like was that it's smelled really intense. it's smells good, but the perfum is too much for me.