Active substance
Hypromellose
3 products from 2 companies contain this in Canada.
3 without prescriptionsolution
Available without a prescription
ALCON TEARS0.5 %Without prescription Alcon Canada Inc · Hypromellose · S01XA20ALCON TEARS1 %Without prescription Alcon Canada Inc · Hypromellose · S01XA20CORNEO HYPROMELLOSE0.3 %Without prescription Orimed Pharma Inc · Hypromellose · S01XA20
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.