OLAPLEX® Nº.4P
4P and neutralises unwanted yellow tones for brighter, more manageable hair, with highly-nourishing and reparative properties that leaves hair easier to manage, shinier and healthier with each use. It repairs and protects hair from everyday stresses — including damaged hair, split ends, and frizz — by re-linking broken bonds, proven to reduce breakage and strengthen all types of hair.For all blonde, lightened and grey hair.