Advance formula. Remover deposits visibly tinted for improved rinsing. For rigid gas permeable contact lenses. No 1 doctor recommended (HPR data on file). This unique formula is not sold to any retailer as a store brand. Boston Advance Cleaner heightens wearing comfort by removing lipids and proteins. Leave your lenses clean, clear and ready for the disinfection step. Our Ingredients: Tri-quaternary Cocoa-based Phospholipid, Silica gel, Alkyl ether sulfate, Titanium. What They Do: Effectively removes dirt and stubborn deposits from your lenses for clean, comfortable wear. Visibly tinted so you can see your cleaner has been thoroughly rinsed off. Because your eyes are so important. Don't experiment with just any brand. Not all gas permeable contact lens cleaners are the same. Use only the brand recommended by your doctor. Specifically formulated for use with Boston Advance comfort formula conditioning solution. For weekly protein removal use Boston One Step liquid Enzymatic cleaner. Questions or Comments: 1-800-333-4730 www.bausch.com. Made in USA.