MSDS (Material safety data sheet)

This product does not contain Hydrofluoric acid, Hydrochloric acid or Sodium Hydroxide. Simply apply to the surface, wait, & rinse. There is no pre-wetting, pre-washing, neutralizing, diluting or special rinsing required.
 
Also: 

• Won’t damage the surface of the stone
• Will not burn the surface
• Requires no special equipment
• Biodegradable/Environmentally safe
• Will not burn the user if it contacts the skin
• Preserves masonry by removing impurities