Process for making up an area of human keratin materials (P) using a makeup device having a transfer surface and a coat of at least one cosmetic colouring ink (4) borne by the transfer surface and obtained by printing using at least one digital printer, the colouring ink being intended to be applied to the keratin materials (P), the process comprising the following steps: —transferring at least part of the coat of cosmetic ink (4) onto the area (P) to be made up by placing the coat of ink (4) in contact with the area (P) to be made up, and then —forming a protective coating (8) by applying at least one composition comprising a film-forming polymer onto the area (P) of keratin materials to be made up.