"Hair dusting is a technique in which you don't get rid of any hair length, but only the damaged hair tips," Salcedo explains. "This can be done by snipping the very bottom of each hair strand." ... "You want to smooth the hair out the best you can first, because you need to allow the bad hair to pop up.

How often should you get a hair dusting?

Generally you'll want to repeat the process every 4-8 weeks. The answer really depends on how much you're into hot tool styling, coloring, or chemical processing in one form or another.

Does dusting help hair grow?

Regular dusting doesn't mean you can skip your regular cuts (hair doesn't grow evenly and even the best cut will eventually need reshaping—especially with shorter styles), but it may enable you to push off that trim an extra month—and, ultimately, because your ends will be healthier, lose less precious length.