COTU (R) Perm Rods Directions: When Setting : Comb hair into sections. In each action, roll hair ends tightly around rollers, using even pressure to the scalp. Let hair dry naturally or with a dryer. When renoving : Unroll rollers carefully working from the neck towards the top of the scalp. Complete your style with a brush or comb. COTU (R) is a US Registered Trademark that is sold exclusively by Mighty Gadget (USA Merchant). Genuine COTU products must have our COTU logo and/or tags on the inside or outside of our product packages.