Osmosis whitening agent revives whites and colours by dislodging residue from fabrics. The active oxygen that it releases on contact with water makes it a powerful stain remover and degreaser in addition to being a water softener to optimize the action of laundry detergent. This product is used in soaking for yellowed, graying or stained fabrics. Finally, an ecological way to keep our shoes white for a long time! It can also be combined with laundry detergent for maintenance washes.