- Charm etch is a phosphoric acid etchant, a type of semi-gel. - It helps to give a strong adhesion for a layer of the broken surface of the tooth effectively. - Effective elimination of the smear layer. - Providing strong bonding strength. - Leave no residues. - Easy to application( good handling, control the flow). - Pack: 3 syringes (5ml each). **For further product information, please contact Chat Support**