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OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for efficacy.
Discover a cutting-edge toning system with the Olaplex No.4P Blonde Enhancer Toning Shampoo. The shampoo offers customisable blonde maintenance, helping to neutralise brassy tones while intensely moisturising and brightening the appearance of hair in just one use.
Enriched with patented Olaplex Bond Building Technology, the formula works to transform dry, brittle strands into a soft, visibly shiny finish. It helps to enhance manageability, while delivering an illuminating effect. Saturated with highly-concentrated pigments, the best-selling purple shampoo allows you to choose your toning level: the longer you treat, the brighter the results. Suitable for all-over colour, balayage or natural blonde styles.
Water (Aqua/Eau), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Glycerin, Sodium Cocoamphoacetate, Sodium Chloride, Acrylates Copolymer, Betaine, Phenoxyethanol, Fragrance (Parfum), Polyquaternium-7, Bis-Aminopropyl Diglycol Dimaleate, Guar Hydroxypropyltrimonium Chloride, Ethylhexylglycerin, Hexyl Cinnamal, Limonene, Citric Acid, Sodium Benzoate, Acid Violet 43 (Cl 60730).
For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.
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Customer Reviews
5 stars rating 269 reviews
4 stars rating 60 reviews
3 stars rating 26 reviews
2 stars rating 15 reviews
1 stars rating 7 reviews
Top Customer Reviews
Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are and do not represent the views of The Hut Group.
One of the best purple shampoos
I must have used every purple shampoo on the market and this is one of the best, it seems to be a stronger pigment than most.
by Chrissy Verified Purchase
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Great for blondes!
I use this monthly when my blonde hair starts to look brassy! Keeps my hair in healthy condition and brightens it up. Only purple shampoo that’s been recommended by my hairdresser
by HM Verified Purchase
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Great shampoo
Hair looks healthy ,colour is amazing ,will buy againalana
by Alana Verified Purchase
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Great shampoo
Keeps my blonde hair bright but not brassy.
by Dawn Verified Purchase
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Great Shampoo
Does what it says on the label ,brightens hair ,no brassy yellow ,and does not dry my hair out would buy again xx
by ANA Verified Purchase
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Smells amazing
Really like this. Brightness lasts ages between washes and smells amazing
by Nat Verified Purchase
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So good
Bought this for my mum’s highlighted hair and can see such a difference in how blonde it is
by Grace Verified Purchase
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Definitely not brightening
Only use if you want to dull your blonde. It has made my bright blonde hair really ashy and stained, made the colour really dull and dark. Would not recommend
by Han Verified Purchase
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Olaplex 4P
Good purple shampoo. Minimises yellow tones/brassiness. I use once a week to lift color alongside standard Olaplex shampoo and conditioner.
by Vicky Verified Purchase
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Great shampoo for bleached hair
It does a good job at keeping that brassy colour away, but I feel it doesn't clean my hair well
by Nina Verified Purchase
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