elmex® SENSITIVE PROFESSIONAL mouthwash is intend for daily use for patients with sensitive teeth who need or prefer an alcohol-free mouthwash. Pro-Argin technology closes open dentin tubules leading to sensitive tooth nerves, blocking pain and creating a permanent protective layer with regular use. elmex® SENSITIVE PROFESSIONAL mounthwash is a medical device and is intend for oral use. Before use, read the instructions for use of the product.