Citric acid 20% is a mild acidic endodontic solution that is highly effective in dissolving/cleansing calcium hydroxide from canals. Characteristics: - Irrigating solution for endodontics. - 20% citric acid. - Removes the layer of minerals and smear layer. - Prepared root canal cleaner/conditioner. - Slightly viscous formula that facilitates lubrication. - Removes calcium hydroxide paste.