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
The Nº.0 Intensive Bond Building Hair Treatment works to visisbly strengthen and protect the strands to minimise the appearance of damage.
Infused with the highest possible concentration of patented Olapex Bond Building technology, the lightweight formula works as a primer to boost the efficacy of No.3 Hair Perfector. The reparative hair treatment nourishes the hair to encourage a sleek, fuller-looking finish.
- ☼ AM / ☽ PM
- When to Use: Use as a two-part system with No3.
- Application: Apply to dry hair, saturating from root to ends. Hair should be damp, but not dripping. Leave on for 10 minutes. Do not rinse. Layer Nº.3 Hair Perfector directly over top of Nº.0 and leave on for an additional 10 minutes. Rinse thoroughly.
- Routine: Cleanse with Olaplex Nº.4 Bond Maintenance Shampoo and Olaplex Nº.5 Bond Maintenance Conditioner.
Water (Aqua/Eau), Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Sodium Benzoate.
For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.
Frequently Bought Together

This item
Olaplex No.0 Intensive Bond Builder 155ml
€32.95
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Customer Reviews
5 stars rating 124 reviews
4 stars rating 27 reviews
3 stars rating 17 reviews
2 stars rating 5 reviews
1 stars rating 2 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.
Effective Formula
Olaplex No. 0 Intensive Bond Building Hair Treatment is a game-changer for damaged hair. This highly concentrated formula works to rebuild and strengthen hair from the inside out. It effectively improves texture, reduces breakage, and restores shine, making it ideal for those with dry, brittle, or chemically-treated hair. Use before applying Olaplex No.3.
by HayleyNZ Verified Purchase
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Smooth Hair
It made my hair feel smooth but i felt like i needed to use quite a lot of it as it feels very watery.
by Els Verified Purchase
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Olaplex No. 0 Intensive Bond Building Hair Treatment
Olaplex No. 0 helps strengthen hair and works best when used with No. 3, making the process a bit time-consuming. The watery formula can be tricky to apply, and for the price, I expected more noticeable results. Decent, but not essential.
by gh Verified Purchase
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This and No3 are chefs kiss
This paired with the No3 treatment is just amazing. This really helps to make my hair feel thicker and stronger. I have less breakage for sure. I don’t use it more than once a week because I get greasy hair so once is more than enough. A really great product.
by Lja Verified Purchase
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This works
I use this in combination with no.3 and it appears to be very effective. My curls feel stronger and more defined, hair is soft, manageable with a shine. My only criticism is that the spray pump is rubbish, it's almost like it's been designed so that you use more product than needed. I think that I'll try to decant it into a better spray bottle. I love the results, though, and will buy it again.
by Sue Verified Purchase
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100% recommend
This is the effect start to your olaplex regime! Use border the N3 and you’ll see great results
by Emily Verified Purchase
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My hairdresser says it works
I use this with olaplex number 3 and although I don’t notice a massive difference, my hairdresser says that my bleached hair is in better condition than ever.
by Jo Verified Purchase
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Starts to work with first use
I’ve only used this once and used it with the No3, it started to bring back the curl pattern to my damaged, over-straightened hair. Looking forward to seeing more progress in a few more washes.
by Mel Verified Purchase
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OVERHYPED
Did not become a fan for Olaplex - overhyped. You can try other Plex products from the drugstore and they can do the same, not to mention the Kérastase products This made my hair sticky
by Enikő Verified Purchase
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Love the new packaging
Have used this many times and it really does help prep the hair for step 3 Olaplex. The packaging is now much better with the spray trigger. But the product is so watery that it does still splutter out the spray top. I have very thick and mid length hair and find i go through the bottle very fast. So i often skip this step.
by Ellie Mae
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