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.
This shampoo cleanses my curls and scalp deeply, leaving hair healthy with rich lather and a fresh, pleasant scent.
My curls feel revitalized thanks to this shampoo's scalp-cleansing power and damage-free formula. It creates rich lather with a fresh fragrance that suits curly, wavy, or straight hair. Always use with Isles conditioner.
I tried Pureology shampoo on color-treated wavy hair but found it just okay for frizz, unlike their amazing gel.
After accidentally buying Pureology shampoo instead of gel, I found it mediocre for my fine, color-treated wavy hair's frizz in humidity. Stick to their stellar gel!
I revived my dry, knotted hair with instant hydration and effortless brushing after just one shampoo use.
This shampoo rescued my parched, unbrushable hair with deep hydration on first use. Brushing became miraculously smooth during and after towel drying, impressing even my husband with the visible transformation.
My hairdresser-recommended shampoo protects color, leaves hair soft and shiny with no residue while lathering perfectly.
After my hairdresser couldn't supply it, I found this gem online. It preserves my hair color beautifully while making it soft, shiny, and residue-free with excellent lather for daily use.
This exfoliating shampoo eliminates greasy residue, leaving hair light and fresh all day. Never double-wash again!
As someone who battled extreme oiliness requiring daily washes, this Neutrogena shampoo exfoliates my scalp, banishes greasy residue completely, and delivers feather-light freshness that lasts from morning till night without reapplying.
I saved my daughter's blond hair from chlorine gummy texture and browning instantly with this shampoo!
Seeing this shampoo instantly repair my daughter's chlorine-damaged hair—transforming it from straw-like and brown back to soft, light blond—proves its worth, despite the price.
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