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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 128 reviews
4 stars rating 28 reviews
3 stars rating 21 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.
Wouldn’t buy again
Don’t really think it makes much of a difference , I’ve used No.3 without No.0 and hair feels the exact same so personally I think it’s pointless buying this
by Amy Verified Purchase
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Primer
Im on to my third bottle of this goes really well with no3. Find it to be abit expensive for the small size of the bottle but i still purchase it anyway.
by Jane Verified Purchase
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Noticeable difference
I have coloured hair which is dry and prone to breakage/shedding. I have been using this once a week for 5+ months and it has made a noticeable difference to my hair. It’s in much better condition, softer and stronger. I have lots of new growth around my hairline which is getting longer each week. (I combine this with the no. 3 conditioner). The downside - The smell is a little chemical but not overpowering. And the spray is pretty useless though so I decant it into a water spray bottle I have from Boots, which produces a fine mist and makes the product go further. I applied it all over my hair initially/first couple of months but now I just concentrate it on the particularly damaged areas/lengths which does make the product go further.
by Becky Verified Purchase
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Fantastic
I have coarse curly hair and I've been using this with the No 3 and I cannot believe how soft and smooth my hair is. Love it.
by Frances Verified Purchase
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Okay
I bought this along with the olaplex no.3 to use together but both didn’t really make any difference to my hair, probably wouldn’t buy again
by Angelina Verified Purchase
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Fab product
I have really noticed a difference in my hair since using this, it’s soft and manageable and feels protected and strong. Great product
by Elise Verified Purchase
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Bond Builder
Too early to say if it’s working as well as most people have said on here. Have used 3xs now with the bond builder no.0 & haven’t seen any major drastic change yet…..I’m really hoping by the time l finish the treatment it works!
by Anonymous Verified Purchase
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Very promising results
Used a couple of times and has improved my dry hair quite noticeably
by Susan Verified Purchase
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Seems good so far
Only used this once as brought a couple of days ago. It was easy to use. My only complaint is that it sprays straight when it comes out of the bottle which makes it difficult to distribute without using too much.
by Joanna Verified Purchase
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Great product
I do the full regime once a week and it's worked wonders to repair my damaged hair.
by Kelley Verified Purchase
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