Dropps Scent Booster Pacs with in-wash softener and enhancer soften, scent and protect your clothes like nothing else out there: naturally. Dropps Scent Booster Pacs start out easyjust toss one right in with a detergent pac at the beginning of your Dropps wash cycle, and give your laundry a smart, scented, softening bath thats gentle enough for babys skin.