Active ingredients Glycerin (lubricant) 1%, Carboxymethylcellulose sodium (lubricant) 0.3%. Inactive ingredients: Sterile Water (ophthalmic grade solution pH 6.3 to 6.5). Antioxidants: N-Acetyl-Carnosine (NAC)* 1%. Buffers: Borate, Potassium Bicarbonate. Preservative: Purified Benzyl Alcohol.