Best for: All hair types and textures experiencing product build-up, excess oil or impurities from chlorine, hard water, pollution, heavy metals and minerals.

What is OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo?

OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo is a weekly deep-cleansing shampoo designed to remove damage-causing impurities and build-up from the hair and scalp while restoring colour vibrancy, shine and softness.

Its Broad-Spectrum Clarifying System deeply cleanses to remove chlorine, heavy metals, minerals commonly found in hard water, pollution, excess oil and product build-up.

The pH-optimised formula lifts the cuticle to remove impurities while cleansing without stripping or drying the hair. It also helps repair everyday damage, defend against future breakage and strengthen and reinforce hair bonds for greater resilience.

Suitable for all hair types and textures, Nº.4C can be used weekly or as needed in place of your regular shampoo.

Who is it best for?

OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo may suit you if:

• your hair has product build-up
  
• your scalp or hair experiences excess oil
  
• you live in a hard-water area
  
• your hair is exposed to chlorine
  
• your hair is exposed to pollution
  
• you want to remove heavy metals and minerals from the hair
  
• your hair looks dull
  
• you want to restore colour vibrancy
  
• you want greater shine and softness
  
• you want a deep cleanse without stripping essential moisture
  
• you want to prepare your hair before a repair or conditioning treatment
  
• you have straight, wavy, curly or coily hair
  
• you have fine, medium or coarse hair
  
• you have low, medium or high porosity hair
  
• you have colour-treated or chemically treated hair

What problem does it solve?

OLAPLEX Nº.4C provides a deeper cleanse than your regular shampoo to remove build-up and impurities that can affect how your hair looks and feels.

Product build-up → deeply cleanses to remove accumulated product from the hair.

Excess oil → removes excess oil from the hair and scalp.

Hard-water exposure → helps remove heavy metals and minerals commonly found in hard water.

Chlorine exposure → removes chlorine from the hair, making Nº.4C suitable for hair exposed to swimming pools.

Pollution → removes pollution and other surface-level impurities.

Dull-looking hair → removing build-up helps restore colour vibrancy, shine and softness.

Everyday damage → helps repair everyday damage and defend against future breakage.

Hair repair routine not performing as intended → removing build-up helps maximise the efficacy of your hair repair routine.

Benefits

• Weekly clarifying shampoo
  
• Deeply cleanses the hair and scalp
  
• Removes damage-causing impurities
  
• Removes product build-up
  
• Removes excess oil
  
• Removes chlorine
  
• Removes heavy metals
  
• Removes minerals commonly found in hard water
  
• Removes pollution
  
• Cleanses without stripping essential moisture
  
• Helps restore colour vibrancy
  
• Restores shine
  
• Helps restore softness
  
• Repairs everyday damage
  
• Helps defend against future breakage
  
• Strengthens hair
  
• Reinforces hair bonds
  
• Helps improve hair resilience
  
• Helps maximise the efficacy of hair repair routines
  
• Suitable for all hair types and textures
  
• Suitable for all porosity levels
  
• Colour-safe
  
• Suitable for chemically treated hair
  
• Dermatologist tested
  
• Vegan
  
• Protein-free
  
• Silicone-free
  
• Sulfate-free
  
• SLS/SLES-free
  
• Phthalate-free
  
• MIC/MIT-free
  
• Paraben-free
  

Key Ingredients

Broad-Spectrum Clarifying System: OLAPLEX's clarifying system is designed to remove a wide range of damage-causing impurities from the hair, including chlorine, heavy metals, hard-water minerals, pollution, excess oil and product build-up.

Bis-Aminopropyl Diglycol Dimaleate: Included in the OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo formula.

How to Use

Use OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo weekly or as needed in place of your regular shampoo.

• Dispense and emulsify the shampoo in your hands.
  
• Apply to wet hair.
  
• Lather thoroughly.
  
• Rinse well.
  
• Follow with your chosen hair treatment, conditioner or mask.

Avoid contact with eyes.

Why Choose OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo?

Product type: Clarifying shampoo
Hair types: All hair types
Hair patterns: Straight + wavy + curly + coily
Hair textures: Fine + medium + coarse
Porosity: All porosity levels
Primary concern: Build-up & impurities
Removes: Product build-up + excess oil + chlorine + heavy metals + hard-water minerals + pollution
Results: Colour vibrancy + shine + softness
Additional action: Repairs everyday damage + strengthens hair
Routine step: Shampoo
Recommended frequency: Weekly or as needed
Colour-safe: Yes
Chemically treated hair: Suitable
Protein-free: Yes
Silicone-free: Yes
Sulfate-free: Yes
Vegan: Yes
Brand: OLAPLEX
Size: 250ml

Is OLAPLEX Nº.4C Bond Maintenance™ Clarifying Shampoo Right for Me?

Choose Nº.4C if: your hair or scalp experiences product build-up or excess oil, or your hair is regularly exposed to hard water, chlorine or pollution and needs a deeper cleanse.

It may also suit you if: your hair looks dull and you want to remove impurities to help restore colour vibrancy, shine and softness before continuing with your regular repair or conditioning routine.

OLAPLEX confirms that Nº.4C is suitable for straight, wavy, curly and coily hair, fine to coarse textures and all porosity levels.

Frequently Asked Questions

How is OLAPLEX Nº.4C different from a regular shampoo?

Nº.4C is designed as a weekly deep-cleansing shampoo. Its Broad-Spectrum Clarifying System removes damage-causing build-up and impurities including chlorine, heavy metals, hard-water minerals, pollution, excess oil and product build-up.

How often should I use OLAPLEX Nº.4C Clarifying Shampoo?

OLAPLEX recommends using Nº.4C weekly or as needed in place of your regular shampoo. The brand's FAQ specifies approximately once every 1–2 weeks or as needed.

Is OLAPLEX Nº.4C good for hard-water build-up?

Yes. Nº.4C is designed to remove heavy metals and minerals commonly found in hard water alongside other surface-level impurities.

Can swimmers use OLAPLEX Nº.4C?

Yes. OLAPLEX states that Nº.4C helps remove chlorine from hair exposed to swimming pools.

Will OLAPLEX Nº.4C dry out my hair?

OLAPLEX states that Nº.4C provides a deep surface-level cleanse without stripping essential moisture. The formula is designed to restore softness alongside colour vibrancy and shine.

Can I use OLAPLEX Nº.4C on colour-treated hair?

Yes. Nº.4C is colour-safe. For permanent hair colour, OLAPLEX recommends waiting at least two weeks after your colour service to help preserve the colour deposit and advises checking with your stylist when using a clarifying shampoo on colour-treated hair.

Can I use OLAPLEX Nº.4C before a hair treatment?

Yes. OLAPLEX recommends using Nº.4C before repair, chemical or conditioning treatments to remove build-up and surface-level deposits and help optimise results.

Can I use OLAPLEX Nº.4C before Nº.3PLUS?

Yes. OLAPLEX recommends clarifying with Nº.4C before using Nº.3PLUS Complete Repair Pre-Shampoo Treatment as part of a weekly repair routine.

Is OLAPLEX Nº.4C suitable for curly or coily hair?

Yes. Nº.4C is suitable for straight, wavy, curly and coily hair, as well as fine, medium and coarse textures and all porosity levels.

Is OLAPLEX Nº.4C suitable for blonde hair?

Yes. OLAPLEX states that its Broad-Spectrum Clarifying System removes impurities to reveal brighter, more vibrant clarity.

Does OLAPLEX Nº.4C contain silicones or protein?

No. OLAPLEX states that Nº.4C is free from both silicones and protein. It is also free from sulfates, SLS/SLES, phthalates, MIC/MIT and parabens.

Ingredients

Aqua (Water, Eau), Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Sodium Lauroyl Glutamate, Coco-Betaine, Sodium Chloride, Disodium Laureth Sulfosuccinate, Cocamidopropylamine Oxide, Acrylates Copolymer, Cocamidopropyl Betaine, Decyl Glucoside, Sodium Methyl Isethionate, Bis-Aminopropyl Diglycol Dimaleate, Lauric Acid, Panthenol, Arginine, Polyquaternium-11, Glycine, Alanine, Serine, Valine, Proline, Threonine, Isoleucine, Histidine, Phenylalanine, Aspartic Acid, PCA, Coco-Glucoside, Lauryl Glucoside, Sodium Lauryl Sulfoacetate, Sodium Methyl Oleoyl Taurate, Ethylhexylglycerin, Sodium PCA, Glycerin, Sodium Sulfate, Laureth-10, Sodium Laurate, Tetrasodium Glutamate Diacetate, Trisodium Ethylenediamine Disuccinate, Caprylyl Glycol, Sodium Lactate, Phenoxyethanol, Sodium Benzoate, Benzoic Acid, Chlorphenesin, Citric Acid, Parfum (Fragrance), Citral, Citrus Aurantium Peel Oil, Hexyl Cinnamal, Limonene, Menthol, CI 19140 (Yellow 5), CI 15985 (Yellow 6).

OLAPLEX advises that ingredients are subject to change. For the most current ingredient list, check the packaging of the product received.

Safety Information

Avoid contact with eyes.

Packaging may vary due to brand updates