“If that happens, that’s when you can use a little hydrogen peroxide to kind of dissolve ... this piercing aftercare spray is alcohol-free, free of parabens and fragrances, and also cruelty ...

(And in case you’re wondering, hydrogen peroxide and rubbing alcohol are two different things, so you can’t use them interchangeably in this instance.) Dab the stain with a solution of equal ...

Hydrogen peroxide shouldn't be your first-line treatment ... for when you don't have access to clean water. Keep some rubbing alcohol in the kit for disinfecting surfaces and various first-aid ...

"It is actively being studied together with new types of nontoxic propellants made from alcohol that offer promise as alternatives to the conventional petroleum-based rocket fuels," Rusek says.