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 this pink shampoo for its amazing scent that leaves hair healthy, refreshed, shiny and soft.
This pink shampoo delivers an awesome scent while making my hair feel nice, healthy, refreshed, shiny, and soft. I won't try any other color because it works perfectly.
I adore this shampoo for lasting a year, smelling great, and reducing waste through easy refills.
Using this shampoo daily, I value its ample year-long quantity, nice scent, and refillable design that minimizes packaging; it's an eco-friendly option I suggest.
This shampoo and conditioner give me smooth, amazing-smelling hair that stays fresh for 5 days.
Using this shampoo and conditioner set for over a year leaves my hair incredibly smooth, smelling amazing, and healthier than ever, letting me go 4-5 days without washing.
I love this sulfate-free shampoo with refreshing tea tree oil. It cleans gently and feels ethical without animal testing.
This shampoo is sulfate-free, paraben-free, and cruelty-free. I adore the tea tree oil's refreshing scalp cleanse. It avoids harsh chemicals, making my hair care both gentle and ethically satisfying every day.
I love how Moroccanoil shampoo's amazing scent and quality ingredients give me soft, smooth, shiny hair every wash.
Moroccanoil shampoo is my absolute favorite because its premium formula creates incredible shine, softness, and smoothness while smelling divine – a luxurious experience that makes my hair look and feel healthier daily.
My blonde stays bright 12 months, no brassiness! Perfect for color-treated hair.
This shampoo brilliantly maintains my true blonde color for nearly a year, effectively eliminating unwanted brassiness. It works wonders for both color-treated and natural blonde hair.
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This non-toxic shampoo reduced my hair fall gently without damaging strands, a rare gem!
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