Benefits/Features Try biotrue multi-purpose solution today - and experience advanced lens care inspired by the biology of your eyes. biotrue was created after intensive study of how the eye works to clean, hydrate and stay healthy naturally. biotrue provides exceptional disinfection and is the only solution that combines three innovations inspired by biology: has the same pH as healthy tears has a lubricant that occurs naturally in the eye keeps certain beneficial tear proteins active dual disinfection system. biotrue helps keep lenses moist for up to 20 hours, perhaps thats why 97% of people who have tried biotrue are satisfied with it and prefer it in a 3:1 ratio to the leading multi-purpose solution