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 recommend this shampoo for its excellent lather and soft hair results.
I purchased this shampoo set for a great deal. Despite the initial chemical odor, the shampoo lathers well with little product, and the conditioner makes my hair feel soft and fresh. I highly recommend it.
I swear by this shampoo for rapid hair growth, healthier locks, and added volume.
My hairdresser suggested this shampoo for fast hair growth. I use it every other wash and after one month, my hair is longer, healthier, and more voluminous. I found it cheaper online and tell everyone.
My hair is less frizzy and shinier since using this affordable shampoo.
This shampoo has transformed my hair by reducing frizz, enhancing shine, and improving health, all while being incredibly budget-friendly and saving me money.
I experienced less hair loss after 60 days with shampoo, though dryness.
Over sixty days of use, this shampoo has significantly reduced my hair loss and thinning, which I appreciate. However, I've encountered dryness and flaking, so I plan to continue while asking about a paired conditioner.
I love how this shampoo makes my hair soft and smells amazing, encouraging me to continue use.
Over two months, this shampoo has made my hair noticeably softer, and I adore its fragrance; despite uncertain results, I'll keep using it for these benefits.
I love how this shampoo's masculine scent and thick lather clean and condition my hair effectively without any residue.
I have been impressed with this shampoo's masculine scent that doesn't linger overly, and it only needs a small amount to create a rich lather that deeply cleanses while conditioning my hair, leaving no residue, and the bottle durability is a bonus.
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I enjoy this shampoo with my son; it avoids oiliness and eases brushing.
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I use this dry shampoo to add volume and control oil for three days.
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As a user, I find this shampoo effective and cost-saving on Amazon.
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