Olaplex No. 4P Blonde Enhancing Toning Shampoo, 8.5 Fl Oz + No. 5P Blonde Enhancer™ Toning Conditioner, Repairs, Hydrates, & Brightens All Blonde, Lightened, & Grey Hair
Condition: New
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$10.25
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30-day refund / replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Friday, Aug 7
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Features
- Leave dull, dry, brassy blondes and grays in the past. The future is high-def brightness and soft, hydrated hair that shines with stength.
- Locks in root-to-tip brightness & tones. Weightlessly nourishes, softens, and detangles. Strengthens for healthy-looking blondes and grays.
- Clinically proven to tone, strengthen, and smooth shinier hair that's 89% smoother with 52% less breakage after one use when used as a system.
- STRENGTHENS FOR HEALTHY-LOOKING BLONDES & GRAYS
Customer Reviews: 4.6 4.6 out of 5 stars (185)
Item Form: Liquid
Brand Name: Olaplex
Hair Type: Brassy
Number of Items: 2
Unit Count: 17 Fluid Ounces
Scent Name: Unscented
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Aug 7
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Great value for the money works great on hair
Reviewed in the United States on March 16, 2026 by Pam Morgan
This shampoo is essential for my hair — I’ve been using it for months and it’s amazing 👌
Reviewed in the United States on February 16, 2026 by Yanara Leyva B
This has been the best investment ever. I have used other brands and my blonde hair has turned brassy, this one was perfection! Didn’t dry my hair out at all and I have treated hair. If I could I would gladly become a sponsor for OLAPLEX lol my only warning is to make sure you wash it all out or you will have a purple scalp it purple hair :)
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Reviewed in the United States on December 1, 2025 by The Helpful Mommy
I love this shampoo and conditioner. It’s the only thing that keeps my blonde hair from going yellow. I use once a week and let it sit in for longer than it says before I rinse out. I also have oily hair and it clarifies it for me. It could be drying to someone who already has dry hair.
Reviewed in the United States on January 4, 2026 by Aaron Harvey
Me gusta que, además de tonificar, limpia suavemente sin ser demasiado agresivo y mantiene el cabello suave y manejable con el uso adecuado. La mayoría de usuarios lo recomiendan para uso semanal o conforme se necesite para mantener un tono más uniforme sin resecar en exceso cuando se usa correctamente
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Reviewed in the United States on January 25, 2026 by Angel Perez perez
So a few weeks back, I box bleached my hair (former Sally Beauty employee here and I normally won’t use box dye or bleach- I’d normally rather 💀 on a hill!!), without doing a color remover on the ends. So I’ve been washing and conditioning with this set and the joico blue toning set, along with mixing a 1:1 ratio of the conditioners and applying to the brassy ends while hair is dry and let sit for awhile- and then shower and wash out. It’s helped so much!!
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Reviewed in the United States on October 15, 2024 by Michelle
Tends to leave it feeling a little dry
Reviewed in the United States on October 13, 2024 by Darlambertz
I've tried so many products for my highlight's hair, and this Olaplex duo is by far the best. Its leaves my hair soft, shiny, and strong without weighing it down. The color looks brighter and healthier after every wash. Definitely worth it if you want to keep blonde hair looking fresh and damage‑free.
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Reviewed in the United States on January 31, 2026 by Mara