OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo 1000ml | Purple Shampoo for Brassiness Control

Hydrating purple shampoo that tones, brightens, and strengthens blondes and grays for salon fresh results.

Overview

OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo is a highly concentrated purple shampoo that neutralizes yellow and brassy tones while cleansing and reinforcing hair bonds for stronger, softer, brighter hair. Effective on natural or color treated blonde, gray, silver, and highlighted hair; color safe and vegan.

OLAPLEX Nº.4P purple pigments pouring to fight brassiness

What It Does

  • Neutralizes brassiness and yellow tones for visibly brighter blonde and gray.
  • Strengthens hair by supporting broken bonds with the OLAPLEX patented molecule.
  • Hydrates and softens from roots to ends with a gentle coconut derived surfactant blend.
  • Delivers up to 3x brighter results versus top purple shampoos.
  • Clean formula: sulfate free, silicone free, phthalate free, phosphate free, paraben free, color safe, vegan.

OLAPLEX Nº.4P benefits and brighter blonde results

Key Ingredients

  • Bis Aminopropyl Diglycol Dimaleate: OLAPLEX bond building molecule that helps repair and strengthen hair.
  • Violet toning agents including Acid Violet 43: neutralize yellow and brassy tones.
  • Coconut oil derived surfactants: cleanse gently while maintaining hydration.
  • Glycerin and Betaine: humectants that improve softness.
Hair bond types and how Nº.4P supports brighter, stronger hair
Bond type What breaks it How Nº.4P helps
Hydrogen Heat styling, water swelling Gentle cleansing and moisture balance reduce stress on temporary bonds while OLAPLEX technology supports overall bond integrity.
Salt pH changes, product buildup Clarifying purple pigments and balanced surfactants promote a healthy pH environment for tone and feel.
Disulfide Chemical services, bleaching Bis Aminopropyl Diglycol Dimaleate supports and rebuilds broken disulfide bonds for stronger hair.

Who Is It For?

  • Blonde hair, natural or color treated, seeking a brighter, cooler tone.
  • Gray or silver hair needing to neutralize yellowing.
  • Highlighted or bleached hair that requires toning plus bond care.
  • All hair types including chemically treated hair.

OLAPLEX Nº.4P and Nº.5P routine for silver and gray hair

How to Use

Standalone Treatment

  1. Distribute evenly between palms first for uniform application.
  2. Apply to wet hair and lather fully, focusing on areas with brassiness.
  3. Leave on 1 to 3 minutes. For intense toning, leave up to 5 minutes.
  4. Rinse well and follow with conditioner. For the best blonde maintenance, follow with Nº.5P Blonde Enhancer Toning Conditioner.
  5. Use weekly or as needed.

System Routine

Weekly Blonde Routine With OLAPLEX
Step Product Purpose
1. Cleanse + Tone Nº.4P Blonde Enhancer Toning Shampoo Neutralizes brassiness and brightens while gently cleansing.
2. Condition + Tone Nº.5P Blonde Enhancer Toning Conditioner Detangles, hydrates, and helps lock in a cool, balanced tone.
3. Repair (1–2x/week) Nº.3 Hair Perfector 250ml Hero treatment to reinforce bonds and improve hair strength.
4. Prime (optional) Nº.9 Bond Protector Nourishing Hair Serum 90ml Lightweight primer to enhance slip and protect before styling.
5. Smooth Nº.6 Bond Smoother 100ml Leave in cream to control frizz and add softness.
6. Shine + Seal Nº.7 Bonding Oil 60ml Finishing oil for glossy shine and heat protection.


Pro Tip: Use Nº.4P and Nº.5P together for best results — leave the toning product on slightly longer for cooler blonde tones and extra shine.

OLAPLEX Nº.4P and Nº.5P routine cross sell visual

Results

Expect measurable brightness and smoothing after one use, with up to 3x brighter hair versus top purple shampoos when paired with Nº.5P.

  • Immediate: brassiness is visibly reduced after one wash.
  • After 1 use with system: less breakage and a smoother feel.
  • Ongoing: brighter tone and improved softness with weekly use.

For Wavy Hair

Results with OLAPLEX Nº.4P on wavy hair

For Curly Hair

Results with OLAPLEX Nº.4P on curly hair

For Straight Hair

Results with OLAPLEX Nº.4P on straight hair

Summary

OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo is the go to purple shampoo for blondes and grays who want brighter tone without compromise. It neutralizes brass, reinforces bonds with the OLAPLEX molecule, and leaves hair soft and shiny. Pair with Nº.5P and the wider OLAPLEX system for professional results at home.

Also available in 250ml: View OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo 250ml

Nº.4P keeps blonde hair strong and cool toned

Brighter Blonde Routine With OLAPLEX Nº.4P

Cleanse and tone with Nº.4P 1000ml, condition with Nº.5P 1000ml, then boost repair with OLAPLEX hero Nº.3 Hair Perfector 250ml. Finish with Nº.6 100ml and glossy Nº.7 60ml for frizz control and shine, and prime with Nº.9 90ml before styling.

Shop Nº.4P 1000ml | Shop Nº.5P 1000ml | Shop Nº.3 250ml | Shop Nº.6 100ml | Shop Nº.7 60ml | Shop Nº.9 90ml

Tip: for ultra cool tones, leave Nº.4P on up to 5 minutes, then seal in tone with Nº.5P before styling.

Specifications
Identification
EAN Code
850045076061
Item number / SKU
OLA-603094
Brand
OLAPLEX®
Model / Series
No.4P Blonde Enhancer Toning Shampoo
Manufacturer name & Address
OLAPLEX Inc., Santa Barbara, CA 93108, United States. Made in Italy.
EU Responsible Person
Obelis s.a., Boulevard Général Wahis 53, 1030 Brussels, Belgium
Product features
Product type
Professional purple shampoo, silver shampoo, liter size
Suitable hair type
Blonde hair, bleached or lightened hair, highlighted hair and grey hair
Main purpose / result
Neutralizes yellow and brassy undertones, strengthens the hair fiber with Bond Building Technology™, deeply hydrates and enhances cool, bright blonde tones
Content (ml / l)
1000 ml liter bottle, ideal for professional salon use and bulk application
Texture / Consistency
Liquid, creamy lather, highly pigmented
Language on the packaging
Multilingual English, Dutch, French, German and other European languages
Target group
Unisex
Neutralizes yellow and brassy tones
Type (Silver shampoo or conditioner)
Purple shampoo, silver shampoo, professional liter size
Silver or violet
Violet
Purpose (neutralizing yellow/brass tones)
Neutralizes yellow and brassy undertones, repairs the hair fiber with Bond Building Technology™, provides deep hydration and maintains a cool blonde tone
Suitable hair type (blond, grijs, geblondeerd)
Blonde hair, bleached hair, highlighted hair and grey hair
Pigments (violet, blauw)
Violet pigments Acid Violet 43
Frequency of use
One to two times per week or as needed, depending on desired toning effect
Effect on hair
Fresher and cooler blonde result, reduced brassiness, improved shine and manageability
Extra care (hydraterend, voedend, beschermend)
Bond Building Technology™ strengthens and repairs internal hair bonds for lasting health and shine
Sulfate-free or not
Sulfate-free, paraben-free, color-safe and vegan
pH value
Gentle hair-friendly pH, suitable for color-treated and chemically processed hair
Usage & Instructions
Application method
Apply to wet hair, lather generously, leave on for 1 to 3 minutes and rinse thoroughly. For stronger toning leave on up to 5 minutes.
Recommended use
Follow with Olaplex No.5 Bond Maintenance Conditioner or Olaplex No.8 Intense Moisture Mask for best results.
Shelf life after opening
12 months
Suitable for keratin and protein
Yes, safe to use alongside keratin and protein treatments
Safety & Certificates
Precautions
Avoid contact with eyes, in case of contact rinse immediately with water. For external use only. Keep out of reach of children.
Professional use
Yes, suitable for both professional salon use and home use
Certifications
Vegan, color-safe, sulfate-free, paraben-free
Ingredients & Composition
Key components
Bis-Aminopropyl Diglycol Dimaleate (Olaplex Bond Building Technology™), violet pigments Acid Violet 43, glycerin, betaine
Free from sulfates/parabens
Yes, sulfate-free, paraben-free, color-safe, vegan
Allergen information
Contains fragrance with allergens: Hexyl Cinnamal, Limonene
Ingredients
Water (Aqua, Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Glycerin, Sodium Cocoamphoacetate, Sodium Chloride, Acrylates Copolymer, Betaine, Phenoxyethanol, Fragrance (Parfum), Polyquaternium-7, Guar Hydroxypropyltrimonium Chloride, Ethylhexylglycerin, Bis-Aminopropyl Diglycol Dimaleate, Hexyl Cinnamal, Limonene, Citric Acid, Sodium Benzoate, Acid Violet 43 (CI 60730)

OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo 1000ml | Purple Shampoo

Item Number:
603094

79,95
67,96Incl. VAT
-15%
Price Excl. VAT56,16
In stock


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