Sno Tears 10ml Eye Drops are formulated to alleviate dryness and irritation caused by insufficient natural tear production. The active ingredients polyvinyl alcohol (1.4%) acts as a lubricant providing relief from symptoms such as redness burning and itching. These drops are also suitable for individuals with artificial eyes. To use instill 1-2 drops into the affected eye as needed throughout the day. Please note this product contains benzalkonium chloride therefore contact lens wearers should remove lenses prior to application and wait at least 15 minutes before reinserting them. If irritation persists or worsens discontinue use and consult a healthcare professional.