Bayer Oy is a provider of products and services such as dermatology research and development,pharmaceuticals research and development,nasal creams,nasal sprays,nasopharyngeal preparations,throat sprays,mouthwashes and throat washes, pharmaceutical,eye ointments,eye-drops, collyriums, pharmaceutical,ophthalmic preparations, mydriatic,keratolytics,eyewashes, pharmaceutical,steroid preparations for ophthalmic use,aural preparations,oropharyngeal preparations,ophthalmic preparations nes,antithrombins,angiotonics,antipsoriatics,anti-acne preparations,dental preparations.