Biotrue multi-purpose solution is inspired by the biology of your eyes. This solution is designed by Biotrue to provide up to 20 hours of moisture. Safe to use on soft contact lenses, including silicone hydrogel lenses, this solution works like your eyes by having the same pH balance as healthy tears. The solution goes beyond cleaning to ensure the ultimate lubrication and comfort, while also killing 99.9% of germs. Biotrue provides you with the health and comfort your eyes deserve, helping to make wearing contact lenses easier on your eyes.