“The best advice I can give for wavy-haired girls is to make sure the hair is moisturized,” says Guttman. “You can use a light oil or cream and then work them through mid-lengths to ends.

If you have naturally curvy or wavy hair, you will be used to being told how lovely ... “Keratin treatments can make hair more manageable, especially if your hair is particularly frizzy, thick and ...

Consumer Reports looked into some chemical-free hair straightening alternatives that may help you achieve similar results without the health risks.