You can cut up a sponge to have a set of reusable pads for removing nail polish.
L-theanine, an over the counter supplement, destroys the negative effects of overcaffeination totally.
Not really a life hack but: folding bicycles are so, so convenient for everyday use (fits in every elevator, fits under your desk at work, fits in public transportation even when itβs crowded, etc)
I really donβt know how they are not a lot more common; you only need a mountain bike if you actually ride on mountain trails often enough. Even non-folding city bicycles are way more comfortable for everyday usage (higher handlebar position and cushiony saddle <3)
Take a pill with your head turned to the side toward your shoulder and it will go down much more easily.
I scrape CVV number of my credit card and save it on my smartphone because if I lost my credit card nobody will be able to shop on line