My white hair turned cool bright white, blending flawlessly with my skin tone—three compliments in a week! Strong purple formula delivers salon-quality results.
This shampoo turned my yellowish white hair into stunning icy brightness that harmonizes with my complexion. Noticed visible toning from the first wash—received three genuine compliments within days. The rich purple pigment works without overdrying. 10/10
This is a review from Amazon.com about product:
Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo, Repairs, Hydrates, & Brightens All Blonde, Lightened, & Grey Hair, 8.5 fl oz

This made such a difference for my white hair! It went from warm to bright white and looks better with my skin. I have gotten three compliments on my hair since I started using the shampoo this week! As other users have commented, it is strong and I swear that I see a hint of purple, but whatever... It looks great! Highly recommend. Worth the money.
Shampoo Basics & Tips
How Purple Shampoo Neutralizes Yellow Tones
Purple shampoo contains violet pigments that counteract yellow/brassy tones through color theory. The color wheel shows purple (opposite yellow) neutralizes warm undertones, creating cooler hair shades. This explains the reviewer's "bright white" transformation.
Why Strong Formulas Matter for Gray/White Hair
Mature hair tends to be more porous, absorbing pigments faster. A "strong" formula (higher dye concentration) ensures effective toning. However, the user's "hint of purple" comment suggests brief application time prevents over-toning.
Skin Tone Harmony Achieved
Cool-toned hair (bright white) complements cooler skin undertones, while warm hues clash. The shampoo helped the reviewer achieve color harmony, evidenced by increased compliments about their overall appearance.
Economic Value of Professional Results
Compared to salon toning treatments ($80+ per session), quality purple shampoo ($15-$30) offers similar results with weekly use. The "worth the money" endorsement reflects this cost-benefit analysis.
I highly recommend this shampoo for less hair loss and thicker hair.
After testing various shampoos for my wavy hair, I confirm this product minimizes hair loss and enhances thickness, leading to healthier, fuller locks that I love.
This shampoo effectively thickens my hair, making it the best I've tried with a long-lasting bottle.
As someone who has tried many shampoos, I can say this product thickens hair remarkably well. It is the best I've encountered, and the bottle's longevity makes it a cost-effective choice for daily use.
After chemical damage, this shampoo restored my hair's softness and smoothness effectively.
Chemical damage left my hair dry, but this shampoo made it soft and smooth quickly. I will use it forever.
I suggest using this clarifying shampoo weekly paired with a deep conditioner for optimal results.
I found this clarifying shampoo great for cleansing residue, yet it requires a deep moisturizer after use. I limit application to every other week to avoid stripping natural oils and keep my hair balanced and healthy.
I love how this shampoo makes my hair feel lightweight, soft, and shiny after washing.
Using this shampoo, I experienced a pleasant washing sensation with lightweight hair and good suds. After drying, my hair became soft and very shiny, which exceeded my expectations for healthy-looking hair.
This shampoo deeply hydrates my curly hair, leaving it clean, shiny, smooth.
I love that this shampoo hydrates my thick, curly hair, leaving it clean, shiny, and smooth every time I wash, which makes styling easier and improves overall hair health.
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I use Moroccanoil Purple Shampoo to tone and nourish my blonde hair for a vibrant, cool finish.
I enjoy this shampoo's great results and mild scent in my routine.
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I found this shampoo adds volume and shine to my hair perfectly.
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This shampoo is gentle, effective at cleaning, and great for color protection.
I use this shampoo and foam to add body and texture to my thin hair effectively.
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