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 love how this shampoo cleans my color-treated curly hair without harsh ingredients, leaving it light and healthy.
This shampoo is perfect for my color-treated curly hair that I straighten frequently. It cleans gently without harsh ingredients, making my hair feel light, healthy, and fantastic every day.
My sister recommended this Tea Tree shampoo; it's affordable and refreshing with peppermint.
My cosmetologist sister recommended this Tea Tree shampoo set, which is more affordable than my usual brand. I love the peppermint scent, and even with a broken pump, I fixed it quickly and endorse this product for its great value and benefits.
I love how this shampoo covers gray hair easily and extends color appointments by weeks between salon visits.
I tried this shampoo for my graying hair and was amazed by how simple it is to use. It covers gray perfectly, extends my color appointments by 4 weeks, and keeps my hair looking great between salon visits, saving me time and money.
I love how this shampoo cleans thoroughly and leaves a fresh scent that lasts for hours.
After using this shampoo, I found it cleans my hair deeply, the clean scent stays noticeable for hours, and the light grit provides a unique, invigorating feel that enhances my washing experience.
I love Viori's gray hair shampoo bar for soft hair and easy travel.
My experience with Viori's gray hair shampoo bar is outstanding: it's travel-friendly, dries fast, and makes my long hair soft, manageable, and fragrant, ideal for daily use and trips.
I love how Dove's hydrating shampoo relieves my dry scalp without animal testing.
Switching to Dove's hydrating shampoo cured my dry scalp; it's cruelty-free, and the subtle ginger scent makes daily use enjoyable without irritation.
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My hair has regained volume and thickness with this affordable, honey-scented shampoo.
I love this shampoo for its great scent and how it cleans and conditions my hair perfectly.
I love how this shampoo is affordable and improves my hair's health with prolonged use.
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