Biotrue multipurpose solution from bausch amp lomb is a contact lens solution for cleaning rinsing and disinfecting silicone hydrogel and other soft contact lenses biotrue multipurpose solution is specially formulated to maintain moisture with a balanced ph to match healthy tears leading to great comfort when wearing your contact lenses this 300ml bottle should provide enough solution for around a monthrsquos care of your contact lenses please note that packages containing biotrue 300m