Thealoz® Duo is a preservative-free, pH neutral aqueous solution. It contains two proven dry eye therapies in one bottle. Trehalose is a natural bioprotectant that provides osmoprotection and regeneration. Hyaluronic acid is a hypotonic solution that lubricates with long-lasting relief.
Preservative-Free  
 Phosphate Free 
 pH neutral – well tolerated
 Easy to use bottle
 Contact lens compatible
 300 drops per bottle
 Can be used for up to 3 months from opening