Skinny is great for jeans, pasta & Margaritas. But for your hair? Not so much... So try Matrix High Amplify Protein Shampoo 300ml High Amplify Shampoo is a lightweight silicone-free formula with protein; this helps boost the structure of fine, limp hair & provides lasting volume. The results in fact, do speak volumes... A full head of hair with lift that lasts. For best results use with Matrix Conditioner, then apply High Amplify Foam Volumizer. Make your hair all that can be... with Matrix.