经常烫发：每4周修剪一次

Using thermal tools may give you the hair of your dreams, but it can take a toll on your hair. Fitzgerald said that those who use heat usually need to get their hair cut every four weeks.

烫发也许能打造理想发型，但却会对头发造成损伤。菲茨杰拉德说，那些经常烫发的人，通常每4周需要去修剪一次头发。

"The hair becomes damaged over time," she said. "The only way to really repair the hair is by cutting off the damaged part."

她说：“随着时间流逝，头发会受到损伤。真正能修复头发的唯一方法只有减掉受损部分。”

take a toll: 产生负面影响；造成损失

If you get your hair colored, and take care of it, you can push your appointments to every eight weeks

染发且注重护理：每8周修剪一次

If you get your hair colored but treat it with care (meaning you don't style it with heat often, you don't blow dry it, and you don't play with it all the time), Fitzgerald says you don't have to get it cut quite as often.

菲茨杰拉德说，如果你的头发染了色，但注重护理的话（意思是你不经常烫发，不用吹风机，也不总是玩弄头发），你就不用经常修剪。

"If someone is coloring their hair and taking good care of their hair, it's going to closer to the eight-week mark," she said.

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