inactive ingredients of Sandoz Finasteride 5mg compared too Proscar and Propecia?

Has anyone tried Sandoz 5mg Finasteride. The inactive ingredients are way different compared to proscar and propecia. Here the list. Docusate sodium, hypromellose, indigotine lake, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone, propylene glycol, sodium starch glycolate, talc, titanium dioxide.

What's the point of adding Docusate sodium? It's used to treat occasional constipation, why would they add this?

Do inactive ingredients matter or help in any way? Am I better off just getting proscar? Or is Sandoz the same?