- Frenna-AC is a buffered 25% Aluminum Chloride Solution. - It is epinephrine-free to prevent cardiac reactions. - It stops minor gingival bleeding very effectively. - It is recommended to arrest bleeding during crown preparations, before impression taking, for minor surgery, curettage, gingivectomies and deep scaling. - It is easily absorbed by retraction cords. **For further product information, please contact Chat Support**