Beat Brittle Hair
First, cut down on heat styling. "Heat damage is a huge culprit. I’m seeing increasing numbers of women with damaged hair as a result of regular styling routines that include using a blow dryer, flat iron and/or a curling iron...extreme heat essentially cooks your hair," says Dr. Francesca Fusco. This terrifying condition is known as "bubble hair" – it makes strands feel rough to the touch and keeps them from sliding off each other in a uniform way, aka, no more bounce.
Make sure your hot tools have temperature controls and stick within the low to medium settings. Also, be sure to use a heat-protecting styling aid to buffer the damage caused by hot tools. In fact, try skipping a day or two of heat styling entirely each week to give your haystack a much-needed rest.
Read more on brittle hair.