Living Proof Full Thickening Cream ($14, 1.8oz and $24, 3.7oz) is for flat, lifeless hair. It is a lightweight formula that features Poly Beta Amino Ester-1, a new technology invented by our scientists that creates a micro-pattern of thickening points on each strand that lasts throughout the day. Because it’s a completely flexible technology, your hair won’t collapse or become stiff and crunchy. Great for colored hair, too. Continue Reading »