Should you mouthwash after brushing?
Ava Arnold
Updated on March 13, 2026
Your teeth have less protection overnight due to lower saliva production, so it is recommended that you spit, not rinse after brushing, including rinsing with mouthwash. Rinsing with water or mouthwash washes away the fluoride from toothpaste, so it can no longer work on your teeth overnight.
Should you mouthwash before or after brushing?
The Mayo Clinic recommends using mouthwash after brushing and flossing your teeth. However, the National Health Service (NHS) recommends avoiding mouthwash right after brushing, since this may wash away the fluoride from your toothpaste. Instead, the NHS recommends using mouthwash at a different time of day.Should I use mouthwash directly after brushing?
Using a mouthwash that contains fluoride can help prevent tooth decay, but don't use mouthwash (even a fluoride one) straight after brushing your teeth or it'll wash away the concentrated fluoride in the toothpaste left on your teeth. Choose a different time to use mouthwash, such as after lunch.How long after brushing can I use mouthwash?
AND WHEN DO I USE IT? We know that rinsing your mouth with a mouthwash might be tempting just after you have brushed. Not so fast. If you're using fluoride toothpaste, don't use mouthwash for at least 30 minutes after brushing!Is it good to use mouthwash everyday?
How often should you use mouthwash? It bears repeating that mouthwash isn't a replacement for brushing and flossing. It's also not necessary to use mouthwash in order to keep your mouth clean. Most mouthwash products recommend that you use them twice per day, after brushing and flossing.Should You STOP Rinsing After Brushing? (Can Mouthwash Give You Cavities)
Does using mouthwash before brushing help?
The good news is, it won't matter. You can rinse your mouth with mouthwash before or after you brush and/or floss without significantly affecting its benefits.Can you leave toothpaste in your mouth overnight?
That's because rinsing washes away the protective fluoride coating provided by toothpaste, explains Lynn Tomkins, President of the Ontario Dental Association. “I recommend not rinsing, particularly for the nighttime,” she says, because that way, “You leave a nice film of fluoride on your teeth overnight.”Should I use mouthwash before bed?
It's important to use mouthwash after eating and before bed. For each use you should swish the liquid in your mouth for about a minute. If you eat a meal with heavy odors, you should use mouthwash after eating. It's best to also use mouthwash before bed to get rid of excess germs and bacteria before or after brushing.How do you properly use mouthwash?
How To Use Mouthwash
- Pour 20 milliliters (4 teaspoons) of LISTERINE® Antiseptic rinse into a cup.
- Empty the cup into your mouth. ...
- Swish for a full 30 seconds (try counting to 30 in your head or using a stopwatch). ...
- During rinsing, gargle in your mouth.
- Spit the solution out in the sink.