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 Found the Best Smelling Shampoo (Even If the Bottle Drove Me Crazy!)
This heavenly-scented shampoo became my stress-reliever after a tough day, but the absurdly complicated bottle design nearly ruined the experience – needs better packaging!
This shampoo detangles, moisturizes, and adds shine, leaving my hair soft and smelling amazing.
This shampoo works wonders detangling and moisturizing my hair, delivering incredible shine, softness, and a pleasant scent, though the high cost makes me hesitant to repurchase.
This shampoo transformed my thinning hair—fuller, healthier strands with delightful fragrance in weeks!
Struggled with hair thinning for a year—blood tests, oils, dermatologists failed. This shampoo brought fuller, healthier hair growth with pleasant fragrance. Finally effective!
This shampoo soothed my scalp, eliminated itching, and left a refreshing fragrance we love.
I love how this shampoo instantly relieved my husband's scalp itching while leaving our hair fragrant and soft—finally found our perfect hair care solution!
This shampoo transformed my hair into soft, healthy locks my stylist noticed—my holy grail!
This Shea Moisture shampoo gave me noticeably softer, healthier hair that impressed my stylist—now my go-to for salon-quality results between appointments.
After 3 months, my hair is softer, longer, and healthier with new growth and a subtle scent.
Using this shampoo 4x weekly for 3 months gave me softer, healthier hair, noticeable new growth, and a delicate fragrance – worth sticking with!
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