When the active ingredients in Listerine like ethanol come into contact with your gum tissues, you are likely to feel a burning sensation. If used regularly or excessively, ethanol can cause damage to your mouth cells or trigger oral sores over the passage of time.What are the side effects of Listerine?
Most common side effects over time *: < 1 month: Application site burn. Ageusia (loss of taste functions of the tongue) Oral mucosal exfoliation (removal of mucous membrane of mouth) Stomatitis (inflammation of mucous membrane of mouth) Lip swelling. Swelling face.What ingredients are in Listerine?
COOL MINT LISTERINE ANTISEPTIC (Pfizer Consumer Healthcare) Active Ingredients: Thymol 0.064%, Eucalyptol 0.092%, Methyl Salicylate 0.060% and Menthol 0.042%.Is Listerine bad for You?
In brief: Not likely. When used as directed listerine is very safe and good at helping reduce gingivitis. It does have alcohol (burn) which can irritate the gums if held in the mouth too long. If you have dry mouth, listerine could also make you even drier.