Smells great because it cleans great.6 weeks of freshness from wash until wearFreshness of 1 cap of Gain liquid laundry detergent = 1 bottle of the leading baking soda detergent. (In-wear freshness of 1 large dose of Gain vs. 50 oz bottle of leading baking soda detergent/ scent)Works in all washing machines even in cold waterKeep out of reach of children