Even if it's a myth that it is bad for your hair, I certainly wouldn't do it that often, personally. I have wavy hair when it gets longer, but my scalp and hair are so sensitive that I have not used a straightener or curling iron for a couple of years now (and that was only a couple of days' use). There are people who will always have nice hair no matter what they do to it, but there are also people, like me, who will forgo those procedures because our hair is sensitive. My hair used to be very thick, I couldn't wrap my hand around it when I put it up in a ponytail. Then medical stuff happened, and now it's thinner and it will never be as thick, so I never straighten or curl it
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