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OLAPLEX No. 4P Blonde Enhancer Toning Shampoo 250ml
RRP: | £28.00£28.00
Details This is the retail price by the manufacturer or importer of the product. Amazon confirms the relevance of this RRP, on a quarterly basis, compared to prices charged by at least one competitor or Amazon. Learn more |
Price: | £22.69£22.69 (£9.08£9.08 /100 ml)
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You Save: | £5.31£5.31 (19%) |
Price: | £20.42 (£8.17 / 100 ml) £19.29 (£7.72 / 100 ml) |
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From the manufacturer
Learn more about Olaplex No. 4P

Blonde Enhancer Toning Shampoo
Repairs, hydrates & brightens all blonde, lightened and grey hair.

Unbreakable Blondes
Highly concentrated purple shampoo cleanses, tones, and repairs while keeping hair hydrated from roots to ends.

Sulfate Free
Sulfate-free formula creates a rich lather to neutralize brassiness and boost brightness after one use for all blonde, lightened, and grey hair.

The Original Bond Builder
The only patented system to noticeably repair extreme damage—turn dry, brittle hair into soft, shiny, and more resilient hair.
How often should I use Olaplex No. 4P?
Use 2-3 times per week or as often as needed to neutralize unwanted brassiness.
What hair types should use Olaplex No. 4P?
All blonde, lightened, and grey hair.
How do I use Olaplex No. 4P?
Apply to wet hair. Lather fully and let process 1-3 minutes. Rinse. For more intense toning, leave on hair up to 5 minutes. Follow with No. 5 Bond Maintenance Conditioner for everyday moisture or No. 8 Bond Intense Moisture Mask for extra hydration.

Product details
- Product Dimensions : 5.08 x 5.08 x 12.7 cm; 240 Grams
- Date First Available : 9 Sept. 2021
- Manufacturer : Olaplex
- ASIN : B09FYK7FKR
- Item model number : 20142192
- Country of origin : United States Minor Outlying Islands
- Best Sellers Rank: 502 in Beauty (See Top 100 in Beauty)
- 19 in Shampoos (Beauty)
- Customer reviews:
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By Vazza on 1 October 2021

After using and washing off as per instructions
Hair turned purple!!!
For such an expensive product this is just disappointing

By Giddiemum on 23 September 2021
After using and washing off as per instructions
Hair turned purple!!!
For such an expensive product this is just disappointing

It is by far the worst one; I couldn’t tell you if it is a genuine Oplex but I have no reason to believe it’s not. It made my hair SO SO it was unreal … took a huge amount of conditioner to get to the point where I could comb my hair. Went in the bin which is a shame because it was very expensive
The only thing I would say is only leave on for 3 to 5 minutes then rinse out, makes sure you wear cloves as it can stain your hands
Secondly, my hair felt extremely dry and tangly when washing (thank god for the great conditioner).
Thirdly, my blond balayage has actually turned darker and no longer blond.
Disappointed as Olaplex is a leading luxury brand but I won’t be buying this again.

By mstlh on 3 May 2022
Secondly, my hair felt extremely dry and tangly when washing (thank god for the great conditioner).
Thirdly, my blond balayage has actually turned darker and no longer blond.
Disappointed as Olaplex is a leading luxury brand but I won’t be buying this again.

I have been completely fine with it and it has brightened up my blonde hair. Start by leaving it on for 2 minutes to see how your hair reacts then try 3-4 minutes. The only thing I would say is that it does make your hair feel a little dry when it is washed out but it doesn't really matter once you put conditioner on.
You only need a small amount - I would recommend this product.