A cool and convenient mouthwash is not only one of the sharp tools to keep people's mouth clean, but also recently it is widely rumored that "mouthwash can be used to clean teeth and keep the mouth fresh, and it can also be externally applied to the skin to help remove body odor, or dilute and soak feet, thus improving the problem of Hong Kong foot. Is mouthwash really so magical? Let a professional dermatologist solve the mystery!

Can mouthwash be applied under the armpit to deodorize? Doctor: Be careful of contact dermatitis.

Tang, director of the hospital dermatology medical beauty center, said that before discussing whether mouthwash can help improve body odor and beriberi, it is best to know what ingredients are contained in mouthwash water on the market. Generally speaking, mouthwashes can be distinguished according to the presence or absence of alcohol. In order to improve the oral odor, most mouthwashes add extra essential oil, such as mint. Or xylitol, to help neutralize the acidity in the oral cavity, so as to help keep the oral cavity clean.

However, it is precisely because most mouthwashes contain essential oils or alcohol. Therefore, if it is directly applied to the armpit, it will not only cause * * * reactions to some skin more easily than sensitive person, but also induce allergic reactions; Or, cause skin pigmentation. In severe cases, it may even cause contact dermatitis, resulting in upper body discomfort such as redness, heat pain and rash. People are not advised to use it rashly.

Director Tang stressed that the key to avoid underarm body odor is to avoid excessive moisture in underarm skin wrinkles, so as to reduce the chances of bacteria and microorganisms attaching and reproducing. It is suggested that everyone develop the habit of shaving armpit hair regularly, dry it as soon as possible after sweating and change clean clothes, which will help to slow down the occurrence of armpit odor.