Refresh Optive (30 PF vials) microwave This is a somewhat tricky

This is a somewhat tricky product to describe

Q: Why not Flaxseed oil

This is a very comfortable drop that lasts a decent time

Povidone tends to be thought of as rather 'old school' for a lubricant drop

Okra Limited

Refresh Optive (30 PF vials) microwave This is a somewhat trickyHighlights Active ingredients: Carboxymethylcellulose, glycerin Preservative free Box of 30 0. 01 fl oz 0. 4mL vials Rebecca's description When Optive first came out, it was Allergan's first drop using glycerin but in conjunction with carboxymethycellulose which is a common polymer for artificial tears. It's a nice balance of a drop not so watery feeling that you feel drier five minutes later, but not so goopy that you can't see clearly for ten