Preservative-Free Lubricant Eye Drops Relieves Irritation Protects Against Moisture Loss Long-Lasting Comfort Electrostatic Attraction Unlike other lubricant eye drops which can evaporate quickly, Retaine MGD provides long-lasting relief for moderate to severe dry eyes utilizing Novasorb, a proprietary cationic oil emulsion technology (microemulsification) that effectively carry ingredients through the electrostatic attraction between positively charged droplets and the negatively charged ocular surface. The hypotonicity of the emulsion adds moisture while the lipid component lubricates and protects the surface of the eye. It is especially helpful in conditions associated with Meibomian Gland Dysfunction. Suggested Use: Shake well before using. Instill 1 or 2 drops in the affected eye(s) as needed and discard container. Other information: Drops appear as a milky white solution. Store between 15°-30°C (59°-86°F). UPC: 015718917304 Weight: 0.5 lbs