Because your eyes are so important. Active Ingredients: A Sterile, Buffered, Isotonic Aqueous Solution That Contains: Boric Acid; Sodium Borate; Sodium Chloride; Preserved With: Sorbic Acid (0.1%) and Edetate Disodium (0.025%) Uses: Sensitive Eyes Rewetting Drops, made only by Bausch & Lomb, is a gentle, effective, thimerosal-free, preserved solution that is recommended for rewetting lenses during wear. A virtually reaction-free formula that soothes eyes and rewets lenses to minimize dryness during wear. Ideal for rewetting lenses upon awakening for extended wear lens wearers.