Varathane Wood Accelerator creates a weathered, aged or charred look on bare or untreated wood. It replicates the aging process that occurs in nature by reacting with the wood to create a unique one-of-a-kind aged look. Works on all types of wood. The final look will vary on the wood type. Water-based formula is low odor. Apply with synthetic bristle or foam brush. Not for use on outdoor surfaces.