Gain Powder Laundry Detergent, great scents in - your nose and clothes will thank you. Regular and High Efficiency Compatible. Laundry detergent for the most amazing scent experience. Detergent that lifts away dirt and locks in amazing scent to keep your laundry smelling great even after two weeks. Regular Washer and HE Compatible. You know that thing you would never do when you’re really happy, because that’s too over-the-top? Sorry, but when you smell Gain Original powder laundry detergent, you’re gonna do that thing.