The invention relates to a dispersion of polymer particles, said polymer being surface-stabilized with a stabilizer in a non-aqueous medium containing at least one hydrocarbon-based oil, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer.The invention also relates to the composition comprising the said dispersion of polymer particles.Cosmetic use for caring for and making up keratin materials.