An applicator for applying a composition to human keratinous materials, in particular the eyelashes or the eyebrows includes a stem and an applicator member that is carried by the stem. The applicator member includes a support, made as a single part, including an internal branch and a second branch; and an applicator portion that is engaged, at least in part, between the internal branch and the second branch. The applicator portion extends all around the internal branch, over at least a fraction of the length of the applicator portion where it is engaged between the branches.