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OLAPLEX No.4P Blonde Enhancer Toning Shampoo cleanses, tones and repairs while keeping hair hydrated from roots to ends. This highly-concentrated, sulfate-free shampoo forms a rich lather to neutralize brassiness and boost brightness after one use.
Distribute evenly between palms first.
Apply to wet hair. Lather fully.
Leave on for 1-3 minutes. Rinse well.
For more intense toning, leave on hair up to 5 minutes. Follow with No.5P Blonde Enhancer™ Toning Conditioner for maximum toning results.
Use weekly or as-needed.