Preservative-free. Relieves irritation. Long-lasting comfort. Retaine MGD is the only ophthalmic emulsion to deliver complete Dry Eye relief utilizing Novasorb technology with electrostatic attraction to restore the three layers of the tear film without blurring. Replenishes lipid layer and reduces tear evaporation. Adds moisture to aqueous layer. Lubricates and protects mucin layer. Positively charged Retain MGD Nano-Droplets. Negatively charged ocular surface. www.ocusoft.com. www.retainebrand.com.