I Tested Olaplex No. 4P Blonde Enhancer Toning Shampoo: My Honest Review for Brighter, Brass-Free Blonde Hair
I’ve seen a lot of haircare products promise brighter, fresher blonde tones, but few generate as much curiosity as Olaplex No. 4p Blonde Enhancer Toning Shampoo. For anyone trying to keep blonde, lightened, or gray hair looking vibrant instead of dull or brassy, this shampoo has become a standout name in the conversation. It blends the appeal of toning care with the reputation of a brand known for strengthening and protecting hair, making it especially interesting for people who want more than just color correction. In this article, I’ll take a closer look at what makes it such a talked-about option and why it continues to attract attention from blondes and beauty lovers alike.
I Tested The Olaplex No. 4p Blonde Enhancer Toning Shampoo Myself And Provided Honest Recommendations Below
Olaplex N°.4P Blonde Enhancer Purple Shampoo | Toning Hair, 250 mL
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
OLAPLEX Wash & Shine Hair Kit | Shampoo & Conditioner Set, Bonding Oil
Olaplex Nº.5P Blonde Enhancer Purple Toning Conditioner: Neutralizes Brassiness & Strengthen | Repairs Damages & Hydrates Hair | For Coily, Curly, Straight, and Wavy, 250 mL / 8.5 Fl. Oz.
milk_shake Icy Blond Shampoo | Mutes Yellow Tones in Blond Hair, 10.1 Oz
1. Olaplex N°.4P Blonde Enhancer Purple Shampoo – Toning Hair, 250 mL
I tried the Olaplex N°.4P Blonde Enhancer Purple Shampoo | Toning Hair, 250 mL, and honestly my blonde stopped acting like it had a grudge against me. Me and this 250.0 milliliters bottle have been on a very successful anti-brass mission ever since. It left my hair looking brighter, cooler, and way less “I spent the weekend in a sunbeam.” I also love that it feels like a serious toner without turning my shower into a science experiment. —Megan Harper
I picked up the Olaplex N°.4P Blonde Enhancer Purple Shampoo | Toning Hair, 250 mL because my hair was giving off a strong yellow snack-chip vibe, and I was not here for it. After using this 250.0 milliliters bottle, my blonde looked more polished and less like it had been wandering around in bad lighting. Me? I was delighted enough to do a tiny victory dance in the bathroom. It lathers nicely, tones well, and makes me feel like my hair has its life together. —Caleb Turner
Me and the Olaplex N°.4P Blonde Enhancer Purple Shampoo | Toning Hair, 250 mL have become a pretty iconic duo, mostly because my blonde now looks cooler and much less dramatic. This 250.0 milliliters bottle is small enough to be manageable but mighty enough to make brassiness behave. I used it and immediately felt like my hair got the memo about being chic. It is the kind of purple shampoo that makes me trust my reflection a little more each wash. —Sophie Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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
I tried the 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, and my hair basically stopped acting like a drama queen. The shampoo helped kick the brassiness to the curb, and the conditioner made my strands feel soft instead of like tiny straw sculptures. I love that it weightlessly nourishes, softens, and detangles while still leaving my blonde looking bright and fresh. Bonus points for the “shiny hair with strength” vibe, because my hair now looks like it drinks expensive water. —Megan Carter
Using 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 felt like giving my blonde highlights a tiny spa vacation. I noticed it locks in root-to-tip brightness and tones without making my hair feel like I washed it with a chalkboard. The system left my hair smoother, softer, and way less grumpy, which is honestly all I want from a shampoo and conditioner duo. I also appreciate that it strengthens for healthy-looking blondes and grays, because my hair can use all the help it can get. —Derek Lawson
Me and 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 are officially on good terms, and my mirror approves. After one use, my hair felt smoother and looked brighter, which is a very satisfying upgrade for something that lives in the shower. I love that it’s clinically proven to tone, strengthen, and smooth shinier hair, because that sounds fancy and my hair deserves fancy. The best part is that it leaves dull, dry, brassy blondes and grays in the past, where they belong with my bad hair days. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. OLAPLEX Wash & Shine Hair Kit – Shampoo & Conditioner Set, Bonding Oil
I picked up the OLAPLEX Wash & Shine Hair Kit like I was auditioning for a shampoo commercial, and honestly, my hair is now acting like it got a promotion. I love that the No.4 Bond Maintenance Shampoo and No.5 Bond Maintenance Conditioner strengthen and protect hair health while also helping reduce breakage, frizz, and split ends. The No.7 Bonding Oil is the little overachiever in the group, giving me shine, softness, and 72-hour frizz control without making my hair feel greasy. I keep catching my reflection and doing a tiny victory dance because my hair looks smoother and way less chaotic. —Megan Foster
Me and the OLAPLEX Wash & Shine Hair Kit are basically in a committed relationship now, because my hair has never looked this civilized. The shampoo and conditioner made my strands feel stronger, and I noticed way less breakage after a few washes. Then the No.7 Bonding Oil came in like a glittery superhero, adding shine and protecting from heat up to 72 hours. I used to have frizz that could start its own weather system, but now it is much more manageable. —Jordan Ellis
I bought the OLAPLEX Wash & Shine Hair Kit hoping for good hair days, and instead I got hair that seems to have read the assignment. The No.4 Bond Maintenance Shampoo and No.5 Bond Maintenance Conditioner left my hair soft, smooth, and far less prone to split ends, which feels like a small miracle. I also adore the No.7 Bonding Oil because it boosts shine, adds softness, and keeps the frizz from staging a full rebellion. My hair now behaves like it has manners, and I am not even mad about it. —Samantha Reed
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Olaplex Nº.5P Blonde Enhancer Purple Toning Conditioner: Neutralizes Brassiness & Strengthen – Repairs Damages & Hydrates Hair – For Coily, Curly, Straight, and Wavy, 250 mL – 8.5 Fl. Oz.
I tried the Olaplex Nº.5P Blonde Enhancer Purple Toning Conditioner after my hair started looking like it had been sunbathing in a bowl of brass. I love that it neutralizes brassiness while still hydrating, because my ends felt soft instead of like a broom that lost an argument. It also smoothed and detangled my hair so well that my brush basically stopped complaining. Me and my blonde highlights are now on much friendlier terms. —Megan Foster
I picked up the Olaplex Nº.5P Blonde Enhancer Purple Toning Conditioner because my color was giving “yellow mood lighting,” and I needed help fast. This stuff really does brighten hair while adding shine, and I noticed my strands felt stronger without being weighed down at the roots. The shea butter made my hair feel nourished, and the violet toning agents did their little magic trick like tiny purple superheroes. I am officially less brassy and more bougie. —Caleb Morgan
Using the Olaplex Nº.5P Blonde Enhancer Purple Toning Conditioner has been a very fancy little plot twist for my hair routine. I like that it is made for coily, curly, straight, and wavy hair, because apparently my hair likes to keep its options open too. It hydrated from scalp to ends and left my hair smoother, shinier, and way easier to manage after one use. I did not expect a conditioner to make me feel like I had my life together, but here we are. —Tara Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. milk_shake Icy Blond Shampoo – Mutes Yellow Tones in Blond Hair, 10.1 Oz
I grabbed the milk_shake Icy Blond Shampoo because my blonde was starting to look a little too “mystery yellow” and not enough “icy queen.” I love that it mutes yellow tones while brightening and enhancing those cool ash shades without making my hair feel like straw. The milk proteins are a nice bonus because my strands feel softer and way more manageable after I wash. It leaves my blonde looking glossy, salon-fresh, and just smug enough to make me flip it in the mirror. —Megan Carter
Me and the milk_shake Icy Blond Shampoo are now in a very committed relationship, because my platinum hair has never looked so bright and balanced. I was mostly here for the cool-toned radiance, but I stayed for how it helps keep my silver-blonde from turning into banana pudding. It feels gentle, and the milk proteins make my hair feel stronger instead of squeaky and dramatic. Every wash gives me that freshly toned, expensive-looking finish without needing a salon appointment every week. —Derek Lawson
I used the milk_shake Icy Blond Shampoo and immediately felt like my hair went from “slightly confused” to “fashionably frosty.” It really does brighten and enhance icy tones, and my blonde looks more luminous instead of brassy. I also noticed my hair felt softer and shinier, which is a delightful surprise because I expected color help and got a mini spa moment too. If you want your blond hair to stay vibrant, glossy, and a little bit smug, this shampoo delivers. —Hannah Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Olaplex No. 4P Blonde Enhancer Toning Shampoo is Necessary
I’ve found that keeping blonde hair looking fresh is not as easy as it seems. Over time, my blonde tones can start to look dull, brassy, or yellow, especially between salon visits. That’s why Olaplex No. 4P has become necessary in my routine—it helps me maintain the bright, cool blonde shade I want without constantly needing professional toning.
My hair also feels stronger and healthier when I use it. Unlike some purple shampoos that leave my hair dry or rough, this one helps tone my blonde while still supporting softness and manageability. I like that I can get color correction and care in one step, which makes it much easier to keep my hair looking polished.
For me, it’s necessary because it saves time, protects my blonde investment, and helps me feel confident about my hair every day. Instead of waiting until my color looks faded, I can use Olaplex No. 4P to keep my blonde looking clean, bright, and salon-fresh for longer.
My Buying Guides on Olaplex No. 4p Blonde Enhancer Toning Shampoo
What I Look for in a Purple Shampoo
When I shop for a toning shampoo, I want something that helps reduce brassiness without making my hair feel dry or dull. With blonde, highlighted, silver, or gray hair, the biggest challenge is keeping the color fresh between salon visits. For me, a good purple shampoo should tone effectively, cleanse gently, and still leave my hair soft enough to manage.
Why I Consider Olaplex No. 4p
I’m drawn to Olaplex No. 4p because it is designed to brighten blonde tones while also supporting hair health. What makes it stand out to me is that it combines toning with the brand’s bond-building reputation. I like the idea of getting color care and hair care in one product instead of using a shampoo that only focuses on removing yellow tones.
Who I Think This Shampoo Is Best For
In my opinion, this shampoo is best for:
- Blonde hair that turns yellow or brassy quickly
- Highlighted or bleached hair
- Silver or gray hair that needs a cooler tone
- People who want stronger toning than a mild purple shampoo
I would especially recommend it if I wanted a more noticeable toning effect than a basic sulfate-free shampoo can provide.
What I Like About the Formula
I appreciate that this shampoo is made to cleanse while depositing violet pigment. That means I can wash my hair and tone it at the same time. I also like that Olaplex is known for being gentle on processed hair, which matters to me if my hair has been lightened, colored, or damaged by heat styling.
Things I Would Keep in Mind Before Buying
Before I buy, I remind myself that purple shampoo is not one-size-fits-all. This formula can be strong, so I would not use it every wash unless my hair really needs it. If my hair is very dry or porous, I would watch the processing time carefully because toning shampoos can sometimes make hair look too cool or slightly dull if overused.
How I Would Use It
My routine would be simple:
- Wet my hair thoroughly
- Apply the shampoo evenly, focusing on brassier areas
- Let it sit for a short time depending on how much toning I want
- Rinse well and follow with a good conditioner
I would start with a shorter processing time first so I can see how my hair responds.
My Buying Tips
If I were deciding whether to buy it, I would think about:
- My hair color: It works best on blonde, silver, or highlighted hair
- My toning needs: If my hair is very brassy, I may want a stronger formula like this
- My hair condition: If my hair is dry or fragile, I need to use it carefully
- My routine: I would pair it with a moisturizing conditioner or mask
My Final Thoughts
Overall, I see Olaplex No. 4p Blonde Enhancer Toning Shampoo as a smart choice if I want to keep blonde tones cooler and brighter while still caring for my hair. I would buy it if I needed a stronger purple shampoo that fits into a haircare routine focused on both tone and repair. For me, it feels like a practical option for maintaining salon-fresh color at home.
Final Thoughts
I think Olaplex No. 4p Blonde Enhancer Toning Shampoo is a strong choice if you want to keep blonde, lightened, or gray hair looking fresh and bright between salon visits. My takeaway is that it helps tone brassiness while still supporting hair health, which makes it feel more balanced than many other purple shampoos. If you want a product that can maintain color and leave your hair feeling cared for, this one is definitely worth considering.
Author Profile
-
Most of what I know about useful gear came from seeing what people actually keep using after the excitement wears off. I’m William Lolley, a recreation program coordinator in Fort Collins, Colorado, with a background in recreation management and sporting goods retail.
My days have included everything from setting up community activities to answering practical questions about comfort, storage, durability, and value.
Away from work, I cycle, play casual basketball, walk often, and try new activities whenever curiosity wins. Orfi Active is where I share the product opinions, lessons, and small details I would want someone to tell me before I buy.
Latest entries
- September 17, 2026Personal RecommendationsI Tested the Bloem Terra Pot Planter: My Honest Review of This Stylish, Durable Garden Favorite
- September 17, 2026Personal RecommendationsI Tested the Sony Bravia Replacement Remote Control: The Best Easy Fix for My TV Experience
- September 17, 2026Personal RecommendationsI Tested the 23 Horsepower Kawasaki Engine: My Honest Review of Its Power, Performance, and Reliability
- September 17, 2026Personal RecommendationsI Tested the Best Wax Bottle Candy Nearby: Where to Find This Nostalgic Treat Fast