Dry Eye
Preservative-Free vs Regular Eye Drops: When the Preservative Actually Matters
They're sold next to each other as the same product at two price points. For occasional use, close enough. For daily use, they aren't the same thing.
Thealoz in Canada: Which Drop, When, and How They Pair
Last Updated: April 2026 | Reviewed by Dr. Davinder Sidhu, OD Thealoz Duo, Thealoz Gel, and the Duo Gel are made by Laboratoires Théa in France, and each targets a...


