The present invention relates to a process to prepare a free flowing salt product comprising sodium chloride (NaCl) and/or potassium chloride (KCl) wherein the salt product has a particle size of from 50 m to 1000 m which process comprises the steps of (a) processing a source of pure NaCl pure KCl or mixture of salts to form particles with an average size of less than 100 micrometer (b) subsequently compacting the particles from step a) using a pressure of from 40 to 400 MPa and optionally crushing the thus obtained particlesand (c) subsequently absorbing one or more agents into the salt particles characterized in that no agent is added in or during steps a) and b) or between steps a) and b).