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Strengthens, hydrates, neutralises brassiness.
The MECCA view:If your hair needs a refresh of colour in between trips to the salon then add the Olaplex No. 4P Enhancer Toning Shampoo into your haircare repertoire for seriously cleansed, toned and hydrated hair from roots to ends. This highly-concentrated, sulfate-free, purple shampoo forms a rich lather to neutralise brassiness and boost brightness after one use. Suited for all blonde, lightened and grey hair - natural or stylist-created, root-to-tip or balayage. This non-drying toning shampoo formula can be rotated into any hair maintenance routine as needed for your best blonde yet. It works hair miracles.
Key ingredients:Bis-aminopropyl diglycol dimaleate: a single molecule, free of silicones and oils, dramatically improves hair strength, protects from within, and provides immediate results.
Made without:Animal products, parabens, phosphates, phthalates, sulfates, DEA, aldehydes, formaldehyde, nuts and gluten.Pair it with:Olaplex No.5 Bond Maintenance ConditionerOlaplex No.8 Bond Intense Moisture MaskOlaplex No. 0 Intensive Bond Building Hair Treatment