Free Tylenol Products After Rebate Posted on November 19, 2020 This post may contain affiliate links. I may receive a small commission if you click through and make a purchase, at no extra cost to you. Thanks for supporting Kupon Girl! Free Tylenol Products After Rebate Tylenol is offering you mail-in rebates for free Tylenol Cold & Sinus/ Children’s Tylenol products! The Tylenol rebate requires your purchase to be made by July 3rd, 2021.