OLAPLEX No. 4P Blonde Enhancer Toning Shampoo

What It Is

Highly concentrated purple shampoo cleanses, tones, and repairs while keeping hair hydrated from roots to ends. Sulfate-free formula creates a rich lather to neutralize brassiness and boost brightness after one use for all blonde, lightened, and grey hair.

What It Does

• High performance shampoo for salons

• The longer you treat, the brighter the results

• Gentle enough for clients home use

What Else You Need to Know

• Shampoo PH level: 5.8 - 6.2

• Scientifically proven 3x brighter blonde. *Compared to other top purple shampoos