Purex laundry Detergent for $.99 Starting 10/22 at CVS! (Easy Peasy Deal) Posted by Harbor Master on 19 October 2017, 11:22 am Tweet Expired Starting 10/22, CVS will have 43.5-50oz Purex Laundry Detergent on sale for $1.99. $.99 after the $1 off coupon below. Click here to print a coupon for $1 any One Purex Liquid Laundry Detergent (any size) The coupon states limit of one identical coupon per shopping trip