Nº.4P Blonde Enhancer Toning Shampoo Leave-In Curl and stays frizz-free—without losing its

and stays frizz-free—without losing its natural movement

and fruit enzymes that work together to strengthen

non-foaming cleansing and conditioning treatment designed to repair

This clarifying formula refreshes the scalp and hair while supporting bond strength

Nº.4P Blonde Enhancer Toning Shampoo Leave-In Curl and stays frizz-free—without losing itsOlaplex No. 4P Blonde Enhancer Toning Shampoo is a highly concentrated purple shampoo designed to neutralise unwanted yellow and brassy tones while cleansing and strengthening the hair. Ideal for blonde, lightened, or grey hair, this toning shampoo helps maintain brighter, cooler tones without drying the hair out. It leaves hair looking fresher, softer, and more luminous between salon visits.