Tide® Boost™ Stain Release® Booster Pacs. Boost the performance of your detergent. Extra stain removal, whitening & brightening. Ultra concentrated in-wash booster. For both HE. 37 pacs. All-in-1 in-wash booster works with your detergent to: Remove tough stains the 1st time. Whiten whites. Brighten colors. Help prevent dinginess. Keep clothes looking great. Contains no phosphate. www.tide.com. Questions 1-800-879-8433. ©2011 P&G.