Newlook, the ORIGINAL Water-Based Concrete Stains, excels in interior applications because of its ease of use, and non-toxic formulation. There are no acids or acetone to neutralize, and no special protective clothing or ventilation systems required. Its also easy to control the color and finish, and goes on quickly. Acid, Color, Concrete, Design, Dye, Interior, look, Newlook, Sealer, Stain, Water-based