Downy Unstopables in-wash fresh scent booster works to improve the scent of your laundry. It adds 12 weeks of freshness from wash to wear, can be used on all colours and fabrics, and is safe to use in all washing machines. Shake a little or a lot of the beads into the cap and toss into the wash drum at the beginning of the wash�before clothes, laundry detergent, and fabric softener. Fresh is a bright, vibrant, and airy scent.