**Size:** 30 ml, Deluxe Sample **What It Does:** This deep-cleaning shampoo removes excess oil and build-up with clarifying apple cider vinegar and even helps strengthen your hair with keratin proteins. **How to Use It:** Massage into wet hair to create a foamy lather, then rinse thoroughly and follow with conditioner **More Reasons You’ll Love It:** It’s cruelty-free, gluten-free, and comes in recyclable packaging.