Preservative Free. Dry Eye Therapy. Dual Action. Clinically Proven to Moisturize for Fast Relief. Restores Your Eyes' Natural Balance. Long Lasting Relief. Gentle Enough for Sensitive Eyes and LASIK Dryness. Convenient Single Dose Packaging. This revolutionary advance in dry eye therapy provides immediate comfort and long lasting lubrication keeping eyes feeling fresh throughout the day. This unique new formula restores the natural moisture in your eyes providing effective long lasting dry eye relief. . Preservative-Free so it's gentle enough to use as often as needed. . Uses relieves dryness of the eye; prevents further irritation.