16+ hours of moisture based on laboratory data Equate Moisture Last Multi-Purpose Solution is designed to clean, rinse and disinfect your silicone hydrogel and other soft contact lenses all in one great product. Improper care of your contact lenses can lead to a variety of eye infections, including some that may cause blindness. That's why we created this solution to get rid of microorganisms that can cause eye infections, remove debris and particles to keep your contact lenses clearer and cleaner and moisturize lenses for all-day comfort. You can also store your contacts in our solution overnight for a thorough, disinfecting clean. While other brands may require you to use four or five different products to clean your contact lenses, our multi-purpose solution does it all at a price you'll love. Say goodbye to cluttered cabinets full of bottles; you can have it all in one great, simple product with Equate Moisture Last Multi-Purpose Solution.