“One in three women have blonde hair.”


OLAPLEX, the brand that singlehandedly created the bond building hair category, is excited to launch No. 4P Blonde Enhancer™ Toning Shampoo, its FIRST toning shampoo to strengthen, soften, and neutralize unwanted yellow tones for brighter, more manageable hair for all blonde, lightened, and grey hair. Infused with OLAPLEX’s exclusive multi-patented technology to relink the disulfide bonds in the hair to strengthen and repair, OLAPLEX No. 4P Blonde Enhancer™ Toning Shampoo cleanses, tones, repairs and protects while keeping hair hydrated from roots to ends.  Gentle enough to use every shampoo, this highly-concentrated formula is clinically proven to deliver 3x brighter results compared to top purple shampoos* and allows for customized toning – the longer you treat, the brighter the results. 100% of stylists polled would recommend OLAPLEX No. 4P Blonde Enhancer™ Toning Shampoo to their clients.

“One in three women have blonde hair,” said JuE Wong, Chief Executive Officer of OLAPLEX. “With the launch of our first scientifically proven, and stylist approved purple shampoo, OLAPLEX No. 4P Blonde Enhancer™ Toning Shampoo now expands the modern definition of blonde for noticeably hydrated, brighter, and more manageable hair.”

All OLAPLEX products contain their breakthrough technology with over 100 worldwide patents that created the bond building hair care category and is exclusive to OLAPLEX. This technology penetrates the hair shaft working on the entire hair structure to rebuild the hair throughout. It builds a permanent bridge between the disulfide bonds.  At the same time, it lessens and/or eliminates damage caused by molecules that eat protein from the hair by working faster than the damage can occur. 

OLAPLEX No. 4P Toning Shampoo is a sulfate-free, highly concentrated formula that forms a rich lather to neutralize brassiness and boost brightness after just one use. Suited for blonde, lightened, and grey hair – natural or stylist-created, root-to-tip or balayage, this non-drying formula can be rotated into any hair maintenance routine as needed for your best blonde yet.  Infused with patented OLAPLEX bond building technology, this customizable toning shampoo, strengthens, softens, protects, and neutralizes unwanted yellow tones for Unbreakable Blondes.

Since its founding, OLAPLEX has been proud to be non-toxic, cruelty-free, and vegan. OLAPLEX is free of over 50 questionable ingredients including Sulfates (SLS & SLES), Parabens, Phthalates, Phosphates, along with the other hard-to-pronounce toxins. All OLAPLEX products are carbon neutral and have The Clean at Sephora seal. It is proud of its continued commitment to reduce their secondary packaging and not add to their carbon footprint.


Apply to wet hair. Lather fully and let process 1-3 minutes. Rinse. For more intense toning, leave on hair for up to 5 minutes. Follow with OLAPLEX No 5 Bond Maintenance™ Conditioner for everyday moisture or No 8 Bond Intense Moisture Mask for extra hydration. If hair has product build-up, cleanse first with No 4 Bond Maintenance Shampoo. 

100% free of sulfates, phthalates, parabens, or gluten. Vegan. Color-safe.

OLAPLEX No. 4P Blonde Enhancer™ Toning Shampoo (8.5.4 fl. oz/250 ml) retails for $28.00 

You can find it online at:  www.olaplex.com


Our humble beginnings started in a California garage, and since 2014, the brand quickly became a global sensation, paving the way for a completely new category of haircare called “bond-building.” Today, OLAPLEX is one of the largest independent hair care brands in the world with over 100 worldwide patents.  Our exclusive scientifically proven technology restores damaged and compromised hair by repairing it from the inside out with our single multi-patented ingredient, Bis-Aminopropyl Diglycol Dimaleate.

Simply put, this first-of-its-kind ingredient works two-fold to protect the hair from damage while simultaneously also being able to re-link the disulfide bonds back together. For all hair types, it provides immediate results to repair the 5 types of damage including chemical services, heat styling, mechanical damage, environmental damage and lifestyle or physiological changes.