Kindly suggest. I lose confidence because of my hair. love to have straightened hair.

I have a curly hair. Yes it is too curly. My hair naturally is a rough hair. So far, I have done chemical hair straightening at parlor for around 4 times. Trust me. It was awesome. I felt confident as well. It gave me a professional look and whatever the outfit I wore, my hairstyle matched with it perfectly.

As mine is a curly hair, even if an inch grows out, it looks awfully obvious with the mix of curly and straight hair. So, I had to go for straightening every six months once.

Can I straighten my hair every six months once? (so that I look confident). Since, at parlors they don't straighten from the root, my friend says that the chemicals doesn't touch the roots and hence not quite harmful to our body. Is it so? Kindly suggest friends.