FUSION™ Allergy Day & Night Gel is a preservative-free multi-dose eye drop solution designed to prevent and treat allergic symptoms such as dry, irritated, and inflamed eyes. It is contact lens compatible and safe for ages 1 and up. The gel contains 2% Ectoin, a natural molecule proven to flush away allergens and protect the ocular surface from potential harm. Before taking any supplement, please consult your doctor if you are taking medication or have any medical condition.