Hair Rules Volumizing Shampoo

This stuff was okay, but I didn't notice much of a difference in volume in my hair. It lathered well for me and I liked the smell, but I feel like this is more of a clarifying shampoo. My hair felt...

Got a small bottle in June's Birchbox. Had high hopes, but can't say I'm a fan. I have to use a ton to get it worked through my hair. Low lathering shampoo is one thing, but what is the point of...