Step 1: Spray Heat Protectant After getting out of the shower, I keep my hair in the four sections that I washed and detangled it in. Prior to picking up the hot tool, I always make sure to use a heat protectant on my hair (and you should, too). This one is the L'Oréal Paris Sleek It Iron Straight Heat Spray ($5). Image Source: amazon.com L'Oréal Paris Sleek It Iron Straight Heat Spray $5 from amazon.com Buy Now