Purex Crystals Is An In-Wash Fragrance Booster, Which Provides Freshness That Lasts For Weeks. Use A Little Or A Lot, Directly In The Laundry!10Add Purex Crystals To The Start Of The Wash Cycle With Detergent. It Spends More Time With Your Laundry Injecting It With A Fresh Scent That Lasts For Weeks, Not Days10Safe For All Loads Including Towels, Activewear & Childrenã¢ÂS Sleepwear10Fabulously Fresh - Life Is Your Runway. Showcase Your Fabulous Scents Of Style And Give Your Laundry An Incredible Just-Washed Freshness That Lasts For Weeks10