All Olaplex products contain their patented technology, which strengthens fragile bonds at every step of the routine for the healthiest hair possible. Olaplex N°4P Blond Enhancer Toner Shampoo strengthens, smoothes and neutralizes unwanted yellow tones for brighter, more manageable hair. The sulfate-free, highly concentrated formula provides customizable toning - the longer you treat, the brighter the results.

Advantages:

• 3x brighter
• Perfect for colored or natural hair & suitable for all hair types and everyday use
• The original Olaplex® shampoo for long-lasting cool blonde or grey with purple pigments that neutralize unwanted yellow tones. between visits to the hairdresser