Packaging service capsule for cosmetic product, and associated packaging device

A service capsule intended to be mounted on a neck of a packaging container of cosmetic product, the service capsule comprising:

• an outer skirt intended to engage around the neck,
• a transverse wall closing off the outer skirt, the transverse wall defining at least one outlet orifice of cosmetic product,
• the service capsule comprising, for the or each outlet orifice, a product dispensing conduit protruding in the outer skirt from the transverse wall along a conduit axis (X-X′), the conduit defining a dispensing passage of cosmetic product from the container;
• the service capsule comprising a closing cap, mounted movably relative to the transverse wall between a position clear of the transverse wall, allowing the passage of cosmetic product, and a position applied on the transverse wall, preventing the passage of cosmetic product, the service capsule comprising a filter placed upstream from and/or in the product dispensing conduit, the filter-being configured so that the cosmetic product present in the container necessarily passes through the filter when the product is extracted from the container through the service capsule,
• the filter being integral with the transverse wall and with the product dispensing conduit.