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OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo | 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.
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.
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.
| 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.
How to Use
Standalone Treatment
- Distribute evenly between palms first for uniform application.
- Apply to wet hair and lather fully, focusing on areas with brassiness.
- Leave on 1 to 3 minutes. For intense toning, leave up to 5 minutes.
- Rinse well and follow with conditioner. For the best blonde maintenance, follow with Nº.5P Blonde Enhancer Toning Conditioner.
- Use weekly or as needed.
System Routine
| 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 | Hero treatment to reinforce bonds and improve hair strength. |
| 4. Prime (optional) | Nº.9 Bond Protector Nourishing Hair Serum | Lightweight primer to enhance slip and protect before styling. |
| 5. Smooth | Nº.6 Bond Smoother | Leave in cream to control frizz and add softness. |
| 6. Shine + Seal | Nº.7 Bonding Oil | 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.
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
For Curly Hair
For 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 professional salon size (1000 ml): View OLAPLEX Nº.4P Blonde Enhancer Toning Shampoo 1000ml
Brighter Blonde Routine With OLAPLEX Nº.4P
Cleanse and tone with Nº.4P, condition with Nº.5P, then boost repair with OLAPLEX hero Nº.3 Hair Perfector. Finish with Nº.6 and glossy Nº.7 for frizz control and shine, and prime with Nº.9 before styling.
Shop Nº.4P | Shop Nº.5P | Shop Nº.3 | Shop Nº.6 | Shop Nº.7 | Shop Nº.9
Tip: for ultra cool tones, leave Nº.4P on up to 5 minutes, then seal in tone with Nº.5P before styling.
Olaplex No.4P Blonde Enhancer Toning Shampoo 250ml
Special Olaplex Offer
BUY 2: 10% OFF THE 2ND PRODUCT + FREE OLAPLEX No.3 20 ml
- • 10% discount on the second item
- • Free OLAPLEX No.3 Hair Perfector 20 ml when you buy 2 OLAPLEX items
- • In case of stock shortage, we reserve the right to provide an equivalent alternative product
- • No exchanges or changes afterwards
- • While stocks last. This promotion can be ended at any time
- • This promotion is only valid for items on which the offer is visible or mentioned.
- • Note: for every two items purchased, 1 free item is included.
Brightening purple shampoo that tones, strengthens, and hydrates blonde and gray hair for a cooler, salon-fresh finish.
