Rare Buy One, Get One FREE Dial Hand Soap Coupon on Facebook! October 15, 2014 by Jennie The links in the post below may be affiliate links. Read the full disclosure.Print Email Hurry over to the Dial Facebook Page where you can print a rare Buy One, Get One FREE coupon which can be used on any Dial Complete Foaming Hand Wash! When you print this coupon they will also donate $1 to a Global Handwashing Partner. This coupon does have limited prints, so make sure to snag yours before it’s gone!