Moistens and refreshes lenses. For use with silicone hydrogel and soft (Hydrophilic) contact lenses. Opti-Free (A trademark of Novartis). PureMoist (A trademark of Novartis). Opti-Free (A trademark of Novartis) PureMoist (A trademark of Novartis) Rewetting Drops moistens and refreshes your lenses for greater wearing comfort. It also helps remove particulate material that may cause minor irritation, discomfort, dryness, blurring and itchiness while wearing your lenses. Only Opti-Free PureMoist Rewetting Drops contains patented RLM-100, which helps prevent protein deposit buildup on soft (hydrophilic) lenses while you wear them, when used as directed. Questions or comments? Call us 1 (800) 757-9195. www.opti-free.com. Works during lens wear to moisturize your eyes and lenses.