Translation guide
A liquid used to rinse the mouth, often for freshening breath or oral hygiene. In Japanese, the most common word is マウスウォッシュ, but other terms exist depending on the type and purpose.
The learner wants to refer to mouthwash as a product or liquid for oral care, typically used after brushing.
Using mouthwash leaves your mouth feeling fresh.
A more formal or technical term for mouthwash, often used in medical or dental contexts. Literally 'mouth-rinsing liquid'.
The dentist recommended using a mouthwash.
Refers specifically to a medicated gargle or mouthwash, often used for sore throats or disinfection. 'うがい' means gargling, and '薬' means medicine.
I use a medicated mouthwash to prevent colds.
A very formal, technical term for oral rinse, seen in medical literature or specialized products. Not used in daily conversation.
This oral rinse is effective for periodontal disease.
The learner wants to refer to mouthwash specifically for freshening breath, often in a social or cosmetic context.
Still the default term, even for cosmetic use. Many Japanese mouthwash brands market themselves as マウスウォッシュ.
Before the date, I used mouthwash to take care of bad breath.
Literally 'bad-breath prevention liquid'. Sometimes used on product labels, but less common in speech.
The learner wants to express the action of rinsing the mouth, rather than the product.
The standard verb phrase for rinsing one's mouth. Can be used with water or mouthwash.
I rinsed my mouth after eating.
Means 'to gargle' or 'to rinse the mouth', often with a medicated liquid. Slightly more associated with throat gargling.
Let's gargle (or rinse our mouths) after coming back from outside.
マウスウォッシュ is the general term for cosmetic or breath-freshening mouthwash. うがい薬 is specifically a medicated gargle, often used for sore throats or disinfection. If you want to buy regular mouthwash at a drugstore, ask for マウスウォッシュ.
Where is the mouthwash?
My throat hurts, so I want to buy some medicated gargle.
Many Japanese mouthwashes are labeled as マウスウォッシュ or 洗口液. If you're looking for a non-alcohol type, you can say ノンアルコールのマウスウォッシュ. For children, there are flavored options called 子ども用マウスウォッシュ.
I carry a breath-freshening mouthwash with me.