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.
My hair loves this shampoo's lather, no tangles, I will repurchase it.
As someone who often tires of shampoos quickly, I'm thrilled with this product. Its lather doesn't tangle my hair, and I use both shampoo and conditioner. Having nearly finished my first set, I'm a huge fan and will absolutely buy it again.
After the first wash, my itchy scalp vanished; hair turned soft and shiny.
I was amazed how this shampoo cured my itchy scalp from the very first wash, leaving my hair incredibly soft and shiny with a delightful fragrance that lasts all day. I plan to buy it again soon.
I recommend Bellisso keratin shampoo for its sulfate-free formula that works effectively.
Having used Bellisso keratin shampoo repeatedly, I find it exceptional due to its sulfate-free, paraben-free, and cruelty-free properties. It strengthens my hair affordably, proving effective for all hair types.
I used this shampoo to regrow thinning baby hairs, achieve fuller hair, and avoid gummy residue.
As a repeat buyer, I confirm this shampoo effectively regrows baby hairs, enhances hair volume for a fuller look, and feels non-gummy, making it a staple in my routine for healthy hair.
I use this shampoo for oily hair; it works for a day but scent is faint.
I have oily hair and tried this shampoo due to online hype; it reduces grease for about 24 hours, but the faint, unusual scent could bother picky users like me.
I love how this shampoo keeps my girls' long hair healthy, shiny, and smelling great with conditioner.
This shampoo has transformed my girls' long hair, making it visibly healthy and shiny with a wonderful scent. We always use it with the conditioner for best results and overall hair care.
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I love this shampoo's natural ingredients and refreshing scent for healthier, fragrant hair daily.
This shampoo softens my bleached hair with light fresh scent and rich lather.
This pH-balancing shampoo gently removes product buildup while protecting my thin hair from damage.
I can't wear perfume with this shampoo because its overwhelming scent competes.
I love this shampoo but received a loose pump nozzle and messy packaging, wasting product.
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