HG descaler for espresso amp; pad coffee makers is a citric acid-based descaler that removes limescale from all types of espresso and pad coffee machines. This espresso machine descaler works safely, quickly, odorlessly and is completely biodegradable. Based on citric acid. For 6x descaling. Works safely and quickly. Safety information. Causes severe eye irritation. In case of contact with eyes, gently rinse eyes with water for several minutes, remove contact lenses if possible and continue rinsing. After working with this product, wash hands thoroughly. When seeking medical advice, keep the package or label available. Keep out of the use of children.