Moisturizes and refreshes lenses. For soft (hydrophilic) lenses, including silicone hydrogel and gas permeable contact lenses. Opti-Free Replenish Rewetting Drops moisturizes 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. Opti-Free Replenish Rewetting Drops contains patented RLM-100, which helps prevent protein deposit build-up on soft (hydrophilic) lenses while you wear them, when used as directed.