Other aluminum cleaning products are very harsh and can include sulfuric and hydrochloric acids, which are very corrosive.  NuShine does not contain any harsh acids and is formulated with thickened viscosity for better application dwell time.Pleasant Lemon, Citrus AromaUnique light green appearanceSlightly viscousNon-Hazardous; as with any cleaning products, eye protection is recommended.Directions for use:Spray directly on surface and let sit for 5 minutes, rinse thoroughly.  Use including scrubby pad for hard to clean areas.  If there is any oil, grease, or petroleum based deposits on the surface of the aluminum, it must be removed prior to use of this product.