Combined drug.
Zinc sulfate has an antiseptic, astringent, drying and local anti-inflammatory effect, affects the regeneration process. Antimicrobial activity is a consequence of coagulation of proteins of microorganisms with the formation of albumins.
Boric acid - antiseptic. It has weak bacteriostatic and fungistatic properties. Coagulates proteins (including enzymatic proteins) microbial cells, violates permeability of the cell membrane.
Hydroxyethyl cellulose, which is part of the preparation as an auxiliary component, contributes to the viscosity increase of the solution, which increases the duration of contact of the solution with the cornea.