The post Using teeth whitening powder to fight against coffee stains appeared first on The Manual.

One of the worst things about coffee stains is that they almost always happen first thing in the morning. After all, that’s when most people have their first dose of caffeine for the day.

There's a running joke in my family that centers around my older sister's absolute refusal to use a cup or mug with ingrained coffee stains. Although a cup has clearly been washed thoroughly ...

A dainty white coffee cup on a saucer is stained inside with a coffee ring. - Songsak Rohprasit/Getty Images ...