Nº.4P Blonde Enhancer Toning Shampoo

OLAPLEX Nº.4P blonde enhancer toning shampoo elevates blonde and gray hair. This concentrated purple shampoo repairs and hydrates from root to tip. Its sulfate-free formula creates a luxurious lather, neutralizing brassiness and enhancing brightness in one wash. Ideal for natural and stylist-created blondes, it helps maintain cool tones and eliminates unwanted warmth. With patented technology, hair is gently cleansed, restored, and kept in a healthy state.