It’s September and although fashion has switched gears to sweaters, leggings and boots, it’s still 100 degrees where I’m at. The last thing I want to do is use a blowdryer, flat-iron or curling iron to add more heat, so I’ve been letting my hair loose and natural (with a few products of course). Here’s how you can do this end of summer hair. First let’s get the basics down. My hair is thick, coarse, chemically treated and naturally wavy with some lovely frizz added in. Although there are different hair types and textures, the perfect product cocktail can give you these results. Step 1: Wash hair with a sulfate-free shampoo.…