[20] Polyquad is the main ingredient in Tears Naturale II (Alcon) and Opti-Free Express MultiPurpose Disinfecting Solution (Alcon), as well as other storage solutions for contact lenses.

Thealoz Duo is PRESERVATIVE FREE and can be used as often as required and for up to 3 months after opening. The hypotonic solution restores the natural balance of the tears and tackles Dry Eye ...