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The OLAPLEX Blog

Stay in the know with style tips, product guidance, hair science, and inspiration from the experts.

May 13, 2025

What Is Volumizing Shampoo, and How Does It Work

3 Minute Read Volumizing shampoo works by lifting the roots of hair. Learn more about volumizing shampoo, whether it can make hair thicker, whether you should use it every day, and more.
May 13, 2025

OLAPLEX Nº.4 Bond Maintenance Shampoo vs. Nº.4FINE Bond Maintenance Shampoo: What’s the Difference?

2 Minute Read OLAPLEX No.4 Bond Maintenance Shampoo and Nº.4FINE Bond Maintenance Shampoo are similar but have different purposes. Compare these shampoos to determine which one is the best for you.

Additional Articles

A shot of a woman’s light, platinum blonde hair from behind
July 1, 2025

How to Lighten Your Hair Safely

Dry Shampoo: How About No Powdery Residue or Grit?
February 3, 2023

Dry Shampoo: How About No Powdery Residue or Grit?

Winter Hair Care
December 21, 2022

Winter Hair Care

Your Hair Needs This Treatment To Jumpstart It To Health
December 19, 2022

Your Hair Needs This Treatment To Jumpstart It To Health

The Ultimate Salon Routine
December 9, 2022

The Ultimate Salon Routine

Customizing OLAPLEX To Fit Your Schedule
November 14, 2022

Customizing OLAPLEX To Fit Your Schedule

Introducing OLAPLEX Broad Spectrum Chelating Treatment
September 21, 2022

Introducing OLAPLEX Broad Spectrum Chelating Treatment

Why Curls Really Love OLAPLEX
August 24, 2022

Why Curls Really Love OLAPLEX

How to Use OLAPLEX Nº.9, Nº.6, and Nº.7 As A System
July 27, 2022

How to Use OLAPLEX Nº.9, Nº.6, and Nº.7 As A System

How to Protect Your Hair from Damage All Year Round
May 18, 2022

How to Protect Your Hair from Damage All Year Round

All about OLAPLEX Nº.3
May 16, 2022

All about OLAPLEX Nº.3

Healthy Hair Beach Day Tips for Every Hair Type
May 26, 2021

Healthy Hair Beach Day Tips for Every Hair Type

Treat, Maintain, Protect: OLAPLEX's 3 Different Product Categories
May 3, 2021

Treat, Maintain, Protect: OLAPLEX's 3 Different Product Categories

OLAPLEX Routines Are Customized For The Individual
April 13, 2021

OLAPLEX Routines Are Customized For The Individual

The Importance of Prepping & Priming Hair
August 5, 2020

The Importance of Prepping & Priming Hair

June 1, 2019

Short Hair Bleach & Tone with Kelli Christine

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Nº.4 BOND MAINTENANCE® SHAMPOO
Nº.4 BOND MAINTENANCE® SHAMPOO
€30.00
Nº.5 BOND MAINTENANCE® CONDITIONER
Nº.5 BOND MAINTENANCE® CONDITIONER
€30.00
No.5LEAVE-IN Moisturize & Mend Leave-In Conditioner
Nº.5 LEAVE-IN MOISTURIZE & MEND LEAVE-IN CONDITIONER
€30.00
Hair Repair Treatment Kit
HAIR REPAIR TREATMENT KIT
€46.50€62.00
OLAPLEX No.7 Bonding Oil™
OLAPLEX Nº.7 BONDING OIL
€30.00
No.3 Hair Perfector™
Nº.3 HAIR PERFECTOR™
€30.00
Nº.3 HAIR PERFECTOR® BONUS SIZE
Nº.3 HAIR PERFECTOR™ BONUS SIZE
€60.00
No.10 Bond Shaper™ Curl Defining Gel
Nº.10 BOND SHAPER® CURL DEFINING GEL
€30.00
No.4 Bond Maintenance® Shampoo
Nº.4 BOND MAINTENANCE® SHAMPOO LITRE
€96.00
No.5 Bond Maintenance® Conditioner
Nº.5 BOND MAINTENANCE® CONDITIONER LITRE
€96.00
No.6 Bond Smoother®
Nº.6 BOND SMOOTHER®
€30.00
No.8 Bond Intense Moisture Mask
Nº.8 BOND INTENSE MOISTURE MASK
€30.00
No.9 Bond Protector Nourishing Hair Serum
Nº.9 BOND PROTECTOR NOURISHING HAIR SERUM
€30.00
Nº.0 Intensive Bond Building Hair Treatment™
Nº.0 INTENSIVE BOND BUILDING TREATMENT
€30.00
Nº.4D CLEAN VOLUME DETOX DRY SHAMPOO
Nº.4D CLEAN VOLUME DETOX DRY SHAMPOO
€30.00