$2 Downy Unstopables Coupon Updated on September 28, 2012 By mamacheaps Leave a comment This post may contain affiliate links. Thank you for your support! Read our disclosure policy here. Through tomorrow (9/29) you can head to Downy on Facebook and print a $2 off Downy Unstopables coupon. Be sure to LIKE Mama Cheaps on Facebook while you’re over there.