renu Advanced is designed to deliver excellent cleaning, helping to prevent the formation of deposits on your contact lenses that can irritate your eyes3 – going beyond clean. The only multi-purpose solution with a triple disinfectant system. renu disinfects in only 4 hours and kills 99.9% of germs tested. renu Advanced conditions and hydrates your contact lenses – providing all-day comfort to help your eyes feel fresh throughout the day. renu Advanced Formula provides excellent cleaning and disinfection, and all day comfort – all at an everyday value.