Olaplex Nº.4P Blonde Enhancer™ Toning Shampoo 1000ml – Brighten, Tone & Strengthen

Olaplex Nº.4P Blonde Enhancer™ Toning Shampoo 1000ml is a highly concentrated purple shampoo designed to neutralise brassiness while strengthening and hydrating blonde, grey and highlighted hair. Powered by OLAPLEX Bond Building Technology™ (Bis-Aminopropyl Diglycol Dimaleate), it helps reduce breakage as it tones, leaving hair brighter, softer and visibly healthier.

Formulated with violet toning agents, Olaplex Nº.4P Blonde Enhancer™ Toning Shampoo 1000ml balances unwanted yellow and brassy tones while maintaining moisture levels. The gentle cleansing system creates a rich lather without stripping or drying, making it suitable for natural and colour-treated hair.

Key Benefits

• Neutralises brassiness and yellow tones

• Enhances brightness for blonde and grey hair

• Strengthens hair and helps reduce breakage

• Hydrates and softens while cleansing

• Ultra-concentrated toning formula

• Colour-safe and vegan

• Suitable for chemically treated hair

• Free from sulfates, silicones, phthalates, phosphates, parabens, MIT/MIC and protein

Features & Technical Specifications

• Size: 1000ml professional salon size

• Technology: OLAPLEX Bond Building Technology™

• Tone System: Violet toning agents (Acid Violet 43)

• Surfactants: Coconut oil-derived blend

• Suitable for natural, highlighted and colour-treated hair

• Recommended use: Weekly or as needed

How to Use

• Distribute evenly between palms

• Apply to wet hair and lather fully

• Leave on for 1–3 minutes

• For more intense toning, leave on up to 5 minutes

• Rinse thoroughly

• Follow with Nº.5P Blonde Enhancer™ Toning Conditioner

Use weekly or as required depending on toning needs.

Clinical Results

• 3x brighter hair*

• 91% agreed hair was less brassy**

*Based on independent testing.
**Consumer perception study results. Results may vary.

Ideal For

• Blonde, platinum and silver hair

• Grey hair

• Highlighted or balayage services

• Clients maintaining cool tones between salon visits

• Professional toning maintenance services

Why Choose Olaplex?

Olaplex is globally trusted for bond-building innovation. Nº.4P combines advanced toning pigments with bond-repair technology, allowing salons to maintain cool blonde tones while protecting and strengthening the hair structure.