Clairol has announced on its Facebook page that it will be giving away free Clairol Natural Instincts and Clairol Natural Instincts Vibrant on May 13, 2011. Like their Facebook page and check back at Nooon EST under the Natural Instincts tab to get your free haircolor coupon! Terms and conditions at the bottom of the page state:While supplies last up to 25,000 per day. Offer begins at 12 pm EST on 5/13/11. Offer valid 5/13/11 – 5/15/11.