Cindy Crawford and Guthy-Renker are expanding the Meaningful Beauty brand into hair care. The collection debuts online next month at MeaningfulBeauty.com and will be available on Amazon in the fall. All Meaningful Beauty hair care formulas contain KeraVeg18, a plant-based alternative to keratin, as well as extramel, an antioxidant complex from the proprietary melon extract. Crawford said the ingredients help promote a healthy scalp, which creates a healthy environment for hair.  The Meaningfu...