But to maximize a heat protectant’s, well, protective effects, it’s important to use it the right way, points out Shelly Aguirre, a stylist at Maxine Salon in Chicago. If you mist it all over your hair just once, but then go in and flat-iron every little section 10 times in a row, it’s not going to do much, she says. Instead, she suggests applying the product in sections, aka the same way you’re styling your hair. For example, if you’re flat-ironing or curling small sections, spray each of those with the heat protectant before using the tool. Ahead, 10 of the best heat protectants for hair that are guaranteed to leave your strands softer, smoother, and most importantly, healthier.