An application tip (100) for a viscous or pasty composition having a body (101) including a proximal end (102) that can be fastened onto a device for dispensing the composition and a distal end (103) that is provided with an outlet orifice (104), an internal duct (110) extending between the proximal and distal ends of the body. The internal duct (110) comprises at least one portion (112) of flat shape opening out at the outlet orifice (104) and includes adjacent grooves (113) in at least one of its sides.
