BRICKFORM Blush-Tone Acid Stain, Chemical Stain For Concrete, reacts with minerals that exist in newly cured or existing concrete, penetrating the very top layer of the concrete surface with color that will not chip, crack, or peel. The colors produced in each section of concrete will be unique with captivating, multi-colored intensities that become a permanent part of the concrete. It is a genuine Solomon Colors product.