8 of the Worst Things You Can Do to Your Hair

The same heat rules apply to water temperature as they do to heat styling. In the same way that hair can scorch when using hot tools that are turned up too high, hair can also fry if your water is too hot. If it doesn't actually burn your strands, Alvarez says that it can dry strands out, making hair brittle and more prone to breakage. "It also removes more oil from your scalp, which can lead to an overproduction of oil that can damage your hair at the root and cause excess shedding," Alvarez adds.