Back Again! FREE Sample of Finish Power & Free Dishwashing Detergent! January 14, 2014 by Jennie The links in the post below may be affiliate links. Read the full disclosure.Print Email Wooohoo! Finish is giving away MORE FREE samples of their new Power & Free Dishwashing Detergent! To request yours just click “Free Sample” on this banner: Then fill in your mailing information and your sample will be on its way!