The present invention relates to a kit-of-parts, comprising A) a packaging (5), containing a defined amount of a pharmaceutically active ingredient in the form of solid coated one or multi-layered particles B) a container (10), comprising a liquid oily composition to disperse or suspend the solid coated one or multi-layered particles contained in A) C) a dispenser (20) D) an adapter (50), having an application arrangement piece (55) with a through-hole (57) to fit the dispenser (20) to the container (10) of B) and E) instructions for use of the kit. The user just needs to mix and shake the components in order to produce a stable homogeneous mixture, which is: suited for exact dosing stable and reusable convenient to use safe for the user due to omittance of needles and has no injury risk for the user.
