DETAILS
Clinically proven to deliver 4X brighter hair
This ultra-concentrated purple shampoo evens the tone of natural or color-treated blondes, or greys—neutralizing unwanted yellow tones and brassiness to reveal bright, shiny hair.
The hydrating lather gently cleanses hair and enhances softness while repairing everyday damage for stronger, more resilient hair in 1 wash.
Formulated for straight, wavy, curly, or coily hair with fine texture—plus all porosity levels.
Dermatologist Tested. Vegan. Color-safe and suitable for chemically treated hair.
PRO TIP: For complete repair from all types of damage, use No.3PLUS Complete Repair Pre-Shampoo Treatment weekly.
When used as a system with No.5P
INGREDIENTS
Violet Toning Agents
Seal in brightness and balance tone to reduce brassiness and yellow tones.
Gentle Blend of Coconut Oil-Derived Surfactants
Provides easy lather and leaves the scalp and hair feeling hydrated
OLAPLEX Signature Scent
Revitalize your senses with a bright burst of Grapefruit Zest, the crisp scent of Sugared Mint, Ginger, and a sophisticated, grounding base of Crushed Sage.
FREE OF
Protein, Silicones, Sulfates, SLS/SLES, Phthalates, Phosphates, MIC/MIT, and Parabens
Frequently Asked Questions
How often should Nº.4P Blonde Enhancer™ Purple Toning Shampoo be used?
OLAPLEX recommends using Nº.4P Blonde Enhancer™ Purple Toning Shampoo 1-2x per week, or as needed.
Will Nº.4P Blonde Enhancer™ Purple Toning Shampoo get rid of the yellow tones in hair?
Yes. Nº.4P Blonde Enhancer™ Purple Toning Shampoo is highly concentrated with purple pigment and will neutralize any unwanted yellow or brassy tones in the hair.
Will Nº.4P Blonde Enhancer™ Purple Toning Shampoo dry out my hair?
Nº.4P Blonde Enhancer™ Purple Toning Shampoo is formulated with conditioning surfactants and will not dry out the hair.
Is a regular shampoo still needed if using Nº.4P Blonde Enhancer™ Purple Toning Shampoo?
Nº.4P Blonde Enhancer™ Purple Toning Shampoo should be added to a haircare routine as an alternative when needed.
During wash cycles, using Nº.4P Blonde Enhancer™ Purple Toning Shampoo it is not necessary to also use regular shampoo.
Will using Nº.4P Blonde Enhancer™ Purple Toning Shampoo and Nº.5P Blonde Enhancer™ Purple Toning Conditioner together provide the best results?
Yes. Using Nº.4P Blonde Enhancer™ Purple Toning Shampoo and Nº.5P Blonde Enhancer™ Purple Toning Conditioner together as a system will provide maximum toning and brightening results























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