Pureology Perfect 4 Platinum Shampoo - 33.8 oz / liter
Pureology Perfect 4 Platinum Shampoo contains a zero-sulfate formula that softens, enhances brightness and adds shine while gently cleansing and strengthening fragile blonde hair. Provides internal and external strengthening to damaged blonde hair. How to Use: Apply a quarter-sized amount of concentrated shampoo to wet hair and lather. Rinse. Repeat if necessary.