Biotrue Advanced Multi-Purpose Solution helps make wearing contact lenses easier on your eyes. It’s formulated to work like your eyes. Biotrue Advanced Multi-Purpose Solution has all the benefits of original Biotrue Multi-Purpose Solution plus advanced hydration and disinfection.• Provides up to 20 hours of moisture• Contains 25% more Hyaluronan*• Contains an added electrolyte and antioxidant to preserve balance of the ocular surface and to protect hyaluronan against free radicals**• Triple Disinfectant System kills 99.9% of all germs tested***• * vs original Biotrue formula• ** Biotrue Advanced Multi-Purpose Solution includes an antioxidant that prevents free radicals from developing and breaking down Hyaluronan (HA) – which could be problematic to the biology of your eyes.• *** Standardized testing (ISO 14729) against S. aureus, P. aeruginosa, S. marcescens, C. albicans, F. solani