Water based detergent to restore wood to its natural color. It removes the gray patina caused by the decomposition of lignin under the action of ultraviolet radiation. Apply on the wet surface, leave for 5 minutes, then clean the wood with a stiff brush. Rinse with water after application. Ideal for coverings, garden furniture, fences, decking. Massage the surface with a brush or brush until the surface is still wet. The result is immediate. If necessary, repeat the operation.