One Free Sure Deodorant by Penguinia Get one Free Sure Deodorant after a mail-in rebate. A qualified stick of Sure must have a “Try Me Free” sticker on it. Sure with Natural Extracts Rebate, up to $2.99, valid through 3/31. Sure Max Clinical Power Rebate, up to $6.99, valid through 3/31. Sure for Men Rebate, up to $2.99, valid for purchases between 2/1 and 11/15.