Pharmaceutical preparation for skin care for skin affected by psoriasis, dermatitis, in particular, neurodermatitis; veterinary preparations, namely, for the treatment of gills and scales infections in fish, of skin fissures in animals, in vaginal and udder infections in cows and household animals; sanitary preparations for medical and veterinary use; all-purpose disinfectants; household deodorants; surface waste and water deodorizers; disinfectants for hospital waste; algaecides