Extreme strengthening products give damaged hair the strength it needs to help prevent hair breakage and damage. Extreme shampoo, conditioner and mega mask, part of our SMART Haircare family, are now powered by RCT Protein Complex to fortify hair to be 15x stronger.* Extreme also infuses hair with proteins and can reduce hair breakage by up to 75%** with the combined use of Extreme Shampoo, Extreme Conditioner, and Extreme Anti-snap.

*When using system of Shampoo, Conditioner, and Mega Mask
**When using system of Shampoo, Conditioner, and Anti-Snap