Polyols, as commercially prepared, contain in their crude form various impurities such as alkali metal hydroxides which were employed as catalysts for their production. Most practical methods for removing these impurities involve acid neutralization of the alkali to form insoluble salts which are removed by filtration. A variety of commercial resins were evaluated in this work as ion exchangers for the purification of polyols. Amberlite 252, a macroporous cation exchange resin, was found to be the best resin. The loaded resin was regenerated efficiently. The results suggest that such a process is both technically and economically feasible.