Downy Unstopables Lush In-Wash Scent Booster beads are small laundry scent beads that work inside your washing machine, giving your laundry up to 12 weeks of freshness. Before adding clothes, simply shake as many Downy Unstopables scent beads as desired into the cap and then toss into the washer drum. Features: In-wash scent booster adds 12 weeks of freshness Lush scent is a bright lavender fragrance mixed with cedar-inspired undertones and sumptuous vanilla layers Can be used on all colors and fabrics Can be used on all colors and fabrics.