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 gentle, unscented shampoo softened my hair in 3 uses, enhancing prescription results.
My husband's dermatologist-recommended shampoo boosted prescription effectiveness, delivering baby-soft hair in 3 uses—gentle, fragrance-free, and surprisingly envy-inducing!
This shampoo transformed my dry, itchy scalp into healthy, hydrated hair effortlessly.
I've used this salon-quality shampoo for years—Amazon's secure packaging ensured no leaks, and it consistently relieves my dry, itchy scalp. A hairdresser-recommended staple!
I found mixing this toner with my moisturizing shampoo eliminates brassiness and keeps hair hydrated.
By combining this toner with my regular moisturizing shampoo, I effectively combat brassiness without compromising hair hydration or natural shine.
This non-toxic shampoo reduced my hair fall gently without damaging strands, a rare gem!
Switching to this non-toxic shampoo transformed my hair care routine - gentle cleansing, reduced hair fall, and no damage. A rare, effective solution I trust daily.
This hypoallergenic shampoo keeps my hair soft, clean, and safe for sensitive skin without lingering scents.
As someone with skin allergies, I rely on this fragrance-free shampoo for soft, clean hair. Safe, gentle, and no lingering dough-like scent from the conditioner.
This shampoo cleans deeply with natural mint scent, reduces drain hair, and lasts 3 months per bottle.
This mint-scented shampoo cleans thoroughly without drying, reduces drain hair significantly, and offers 3-month value despite initial cost. Perfect for thinning hair care routines.
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This shampoo softened my brittle permed hair, reduced dryness, and stopped breakage effectively.
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