Blood dripping down your face from a shaving cut? You can make it stop with nothing more than a little mouthwash.
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GQ points out that the alcohol in mouthwash acts as an astringent, which causes tissues to contract and hence reduces blood flow. Deodorant is another potential option that will be handy in your bathroom, but mouthwash is arguably easier to dab on, especially if your deodorant is an aerosol. Hit the post for other suggestions on how to quench the flow.
How To Stop A Shave Cut From Bleeding [GQ cross-posted on Business Insider]