Every day smells like laundry day when you add Downy Cool Cotton In Wash Scent Booster Beads to your washing machine. This laundry scent booster infuses each load with a crisp Cool Cotton scent that lasts up to 12 weeks from wash until wear. Safe for all washing machines, including HE, it's easy to add a fresh boost of Downy in with your detergent. To use, pour your preferred amount of beads (either a little or a lot) into the cap and toss directly into the drum before adding your clothes. Want even more fresh scent.