Gentle on your delicates and the planet. Saalt Period Underwear Detergent is an ultra-concentrated enzyme-powered detergent that is formulated to efficiently clean any period underwear. This formula was engineered to release blood and odor while being gentle on your delicates, which means it will get your most reliable period undies clean while being gentle enough to use on any clothing item. Naturally scented with essential citrus and water lily. Psst. I’m super-concentrated. Use one bottle cap (½ Tbsp or 8ml) of detergent for a full machine load of laundry or half the amount for a small, hand-washed load.