Blonde has a way of drifting warm when you least expect it. Olaplex Nº.4P Blonde Enhancer Toning Shampoo steps in to correct that, cleansing, toning and repairing in one highly concentrated purple formula that keeps blonde looking cool and bright.
Why you will love this Nº.4P Blonde Enhancer Shampoo
Infused with the same patented bond-building technology found across the Olaplex range, this highly concentrated purple shampoo neutralises brassiness and boosts brightness after just one use. Its sulfate-free formula cleanses without compromising the health of colour-treated hair.
- Neutralises brassiness and yellow tones after just one use
- Highly concentrated purple pigments for visible toning
- Cleanses gently with a sulfate-free formula
- Repairs hair alongside toning with bond-building technology
- Boosts brightness for a fresh, salon-toned blonde
- Suits regular use to maintain your desired blonde shade
- Pairs with Olaplex Nº.5P Conditioner for extra hydration
What it does
The violet pigments in the formula deposit onto blonde, lightened or grey hair to cancel out unwanted yellow and orange tones, while the bond-building technology works to strengthen strands weakened by colouring or lightening treatments.
Who it is for
Anyone with blonde, lightened or grey hair dealing with brassy or yellow tones, especially those who colour-treat their hair and want a shampoo that tones and repairs at the same time.
How to use it
- Distribute evenly between palms before applying to wet hair
- Lather fully and leave on for 1–3 minutes
- Rinse well and condition
- For optimal brightening, follow with Olaplex Nº.5P Conditioner
Key details
- Brand: Olaplex (USA)
- Product type: purple toning and bond-repair shampoo
- Best for: blonde, lightened or grey hair with brassy tones
- Key technology: Olaplex patented bond-building technology
- Formula notes: sulfate-free, highly concentrated purple pigments
- Delivery: available in Cairo and across Egypt with cash on delivery
Frequently asked questions
How long should I leave Nº.4P Shampoo on my hair?
Leave it on for 1 to 3 minutes after lathering, then rinse well and follow with conditioner. Toning results can vary depending on how brassy your hair is.
Can this shampoo be used on lightened or grey hair, not just blonde?
Yes, it is formulated to neutralise brassy and yellow tones on blonde, lightened and grey hair alike.
Size
250 ml bottle.











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