what are the expiration dates of these bottles?

One box 2 of 23 and the other is 10 of 24. I go thru them fast so I'm pleased!!

Does this solution work for hard lenses too?

Having used hard lenses in the past, I know that this solution does also work for hard lenses. It is a saline solution that works for both hard and soft lenses.

Does this clean proteins from soft lenses as effectively as Bausch & Lomb daily cleaner?

I can't answer this with any scientific response, but I can tell you that my contacts are more comfortable for longer periods every day with BioTrue over Bausch & Lomb and they seem to last longer. I have monthlies that I tend to stretch 6 weeks because they stay comfortable longer. Just my opinion.

ASIN	B09WQT2X6K
Best Sellers Rank	#67,786 in Health ( See Top 100 in Health ) #234 in Contact Lens Care Products
Brand	Biotrue
Brand Name	Biotrue
Customer Reviews	4.8 out of 5 stars 2,852 Reviews
Global Trade Identification Number	00310119039977
Liquid Volume	10 Fluid Ounces
Liquid volume	10 Fluid Ounces
Manufacturer	Bausch & Lomb
Product Shelf Life	90 Days
Shelf life	90 Days
UPC	310119039977
Unit Count	10 Grams

Biotrue Hydration Plus Contact Lens Solution, Multi-Purpose Solution for Soft Contact Lenses, Lens Case Included, 10 FL OZ

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