A BIOTRUE fresh multi-purpose solution rejuvenates your contact lenses, making it feel like you ‘ re putting in a fresh pair everyday. renu fresh multi-purpose solution is proven to fight germs, clean lenses, and remove irritating protein deposits daily from your soft contact lenses for that fresh lens feeling everyday. Daily use of BIOTRUE fresh multi-purpose solution eliminates the need for a separate enzymatic cleaner or daily cleaner for many lens wearers.