Cowashing is using conditioner to wash the hair instead of shampoo. Some people find cowashing helps ease hair dryness and reduce breakage. However, it can also lead to oily residue buildup.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

You probably wash your hair just like everyone else: first shampoo, then conditioner. This, of course, is completely normal and traditionally correct. After all, we all know that conditioner ...

In many parts of the world, the cool blast of an air-conditioner on a hot day is nowadays seen as a luxury rather than a necessity. Climate change is tipping the balance. Average global temperatures ...