Sexy Hair Healthy Sexy Soy Smoothie Straightening Tonic 4.2 oz - Straightens, smoothes and helps strengthen hair. This product has a combination of Soy and Wheat Proteins with botanical extracts that embed strength and protein into the hair. Helps to replace amino acids that blow drying takes out of the hair. Soy Smoothie creates straight hair with unbelievable softness and it is frizz free. Apply product from roots to ends and blow straight or use a flat iron to straighten the hair.