Brazilian Blowout Prostyle Protective Thermal Straightening Balm 8 oz Is a powerful heat-activated formulation that straightens waves/curls and tames frizzies. Protecting hair from heat styling and environmental stresses. Humidity resistant. An exclusive Brazilian Super-Nutrient Complex reconstructs and strengthens damaged hair while creating a protective protein layer on the hair shaft to strengthen, smooth and seal the cuticle. BAH-067