TIGI Copyright SOS Extreme Recovery Treatment is clinically proven to repair internal damage and return hair back to its virgin condition in just 5 minutes. Contains 100 times more keratin than just using shampoo & conditioner. Repairs internal damage from the inside to return hair back to virgin condition after just one treatment. 100x more Keratin than using just shampoo and conditioner. Increases the flexibility of hair, making hair less prone to breakage. Gives form and strength to hair fibers, improving body, texture, and manageability. Works together with the Keratin to fortify the hair fiber from within.