The invention relates to an aerosol device comprising: a container containing a cosmetic composition which comprises at least one fixing polymer, and a dispensing head (3) comprising a body (5) and an end part (7) comprising at least two outlet orifices (12) configured to allow spraying of the composition about a longitudinal axis (Y) of the end part (7) in at least two different directions, the dispensing head (3) comprising at least first (15) and second (16) chambers, through which the composition stream successively passes before it exits via the outlet orifices (12).