The best-selling shampoo from Olaplex® is now formulated to celebrate the beauty of blonde. Olaplex® No.4-P Blonde Enhancer Toning Shampoo strengthens, softens, and neutralizes unwanted yellow tones for brighter, more manageable hair. Olaplex® No.4-P maintains all the benefits of the original No.4 and deposits just the right amount of tone to neutralize any unwanted warmth between salon visits. The sulfate-free, highly concentrated formula allows for customizable toning – The longer you treat, the brighter the results. Whether your blonde comes naturally or from your stylist, root to tip or balayage, and even if you’re proudly grey, Olaplex® No.4-P Blonde Enhancer Toning Shampoo will help to keep your color bright.

Key benefits:

• Highly concentrated formula neutralizes unwanted yellow tones while strengthening and softening hair
• Infused with Olaplex’s patented Bond Building technology to repair broken bonds and restore damage
• Customizable toning – The longer your treat, the brighter the results
• Suitable for all blonde, lightened or and grey hair, natural or coloured
• Results in just 1-5 minutes
• Paraben, Phosphate & Sulfate Free. Vegan, Cruelty Free formula

Apply to wet hair. Lather fully & let process 1-3 minutes. Rinse. For more intense toning, leave on up to 5 minutes. Follow with Olaplex N°5 Bond Maintenance Conditioner (sold separately).
Tip: If hair has product build-up, cleanse first with Olaplex N°4 Bond Maintenance Shampoo.

Free of DEA, Aldehydes and Formaldehyde.