Cosmetic composition (I) comprises particles of an organic black pigment in a medium, where the particles of an organic black pigment is hydrophilic and dispersible in water. An independent claim is included for makeup pen (1) comprising a body (2) sealed at its distal end by a plug (4) and at its proximal end by a removable cap (3), where the: body (2) contains a filter (6) and a wick (5), which extends beyond the proximal end of the body (2) and being in contact with the filter (6); and makeup pen (1) includes a cosmetic composition in an aqueous medium.