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 a shampoo that finally heals and hydrates my damaged hair, making me stock up instantly!
As someone with damaged hair, I desperately needed healing and hydration. This shampoo delivered incredible results, repairing my hair so effectively that I bought multiple backups immediately.
I love how this shampoo instantly smooths my thick, color-treated hair and smells incredible!
This shampoo delivered instant results on my thick, colored hair! I'm obsessed with the wonderful fragrance and how effectively it fights frizz, making my hair smoother and easier to manage daily.
Zenagen halted my sudden hair loss and regrew new strands after professional recommendation, restoring confidence.
Facing sudden excessive shedding, I trusted my hair-stylist relative's Zenagen suggestion. It effectively stopped loss and stimulated new growth, achieving complete satisfaction with restored hair health.
I love this deeply hydrating shampoo and conditioner for transforming my dry hair into soft, healthy locks daily.
As someone with parched hair, this hydrating shampoo delivers intense moisture while the conditioner seals it in. I use both religiously for silky, nourished locks that feel healthier every day.
I received leaking shampoo with loose lids, losing half despite bubble wrap. Won't reorder this mess.
Both shampoo and conditioner bottles had defective loose lids that leaked terribly during shipping. Even with protective bubble wrap, I lost half the product. This packaging failure ruined my purchase experience completely.
As someone with smell sensitivity, I adore this shampoo conditioner set because it leaves my hair feeling amazing without irritation.
Due to smell sensitivity, I love this shampoo and conditioner set. They leave my hair soft, clean, and healthy without any irritation or overwhelming scents.
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I cut daily hair loss by half but got flat, greasy strands and strong Pine-Sol scent lingering.
This shampoo makes my hair soft, silky, shiny, and frizz-free instantly.
I love this shampoo for my white hair, but its bottle cracks easily if dropped in the shower.
After a decade, my hair stays healthy with this favorite keratin shampoo. Totally recommended.
I love this fair-trade organic shampoo for healthier hair and reduced washing, worth every penny.
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