Boston Cleaner is specifically formulated to provide hard & gas permeable contact lens wearers with a solution to effectively remove any protein & lipid deposits from their contact lenses. The unique ingredients contains within the solution effectively removes dirt & stubborn deposits from your lenses for clean, comfortable wear, whilst a special ingredient has been added to visibly tint the lens so you can see when your cleaner has been thoroughly rinsed off. PLEASE NOTE THIS PRODUCT IS FOR USE WITH HARD & GAS PERMEABLE LENSES ONLY.