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 suggest using this clarifying shampoo weekly paired with a deep conditioner for optimal results.
I found this clarifying shampoo great for cleansing residue, yet it requires a deep moisturizer after use. I limit application to every other week to avoid stripping natural oils and keep my hair balanced and healthy.
I love how this shampoo makes my hair feel lightweight, soft, and shiny after washing.
Using this shampoo, I experienced a pleasant washing sensation with lightweight hair and good suds. After drying, my hair became soft and very shiny, which exceeded my expectations for healthy-looking hair.
This shampoo deeply hydrates my curly hair, leaving it clean, shiny, smooth.
I love that this shampoo hydrates my thick, curly hair, leaving it clean, shiny, and smooth every time I wash, which makes styling easier and improves overall hair health.
I love how this shampoo adds volume and conditions my gray hair perfectly.
After years of gray hair, I can confidently say this shampoo is a game-changer. It delivers volume and deep conditioning in one bottle, saving time and giving me vibrant, manageable hair without extra steps.
I eliminated chlorine odor with this shampoo and achieved softer hair, though the fragrance was mild.
This shampoo helped me get rid of chlorine smell from swimming and made my hair feel softer, but I expected a stronger floral scent and found it a bit pricey for the outcome.
After using this detox shampoo, my hair feels clean, refreshed, and free from product buildup effectively.
I love how this detox shampoo transforms my hair; it deeply cleanses, removes all product buildup, and leaves my hair feeling clean, refreshed, and healthy after every use.
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Dr. Squatch's shampoo makes my hair soft, clean, and manageable every day.
I found this shampoo's honey aroma mild and pleasant; it performs well for hair care.
After using harmful shampoos, I now prefer organic sulfate-free for healthier hair.
I highly recommend this shampoo for less hair loss and thicker hair.
This shampoo effectively thickens my hair, making it the best I've tried with a long-lasting bottle.
After chemical damage, this shampoo restored my hair's softness and smoothness effectively.
I suggest using this clarifying shampoo weekly paired with a deep conditioner for optimal results.
I love how this shampoo makes my hair feel lightweight, soft, and shiny after washing.
This shampoo deeply hydrates my curly hair, leaving it clean, shiny, smooth.
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