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Our professional-inspired treatment primes your hair for deeper repair and protects hair integrity. Use as the first step in a two-part at-home system with No.3 Hair Perfector (sold separately) to strengthen and repair all types of damaged hair.
Redesigned for a quick and targeted stream application, the No.0 Intensive Bond Building Hair Treatment features an easy to use nozzle that primes the hair and delivers the highest concentration of the patented bond building technology of any Olaplex at home product. Scientifically Proven: 68% more repair & 3x stronger hair* *When used as a two-part system in just one use.
APPLICATION TIP: N°0 bottle should last 3-6 applications, based on hair length and density.
- Apply slowly to dry hair, distributing evenly from root to tip.
- Work No. 0 into small sections by squeezing the liquid into the hair to be fully absorbed as you go.
- Lightly saturate from root to tip. Hair should be damp, not drenched.
- Let process for 10 minutes.
- DO NOT RINSE.
- Apply No.3 Hair Perfector over hair with No.0 applied to it, combing through as needed. Let process for a minimum of 10 minutes. Rinse, shampoo & condition. For best results, use No.4 Shampoo & No.5 Conditioner.
Water (Aqua/Eau), Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Sodium Benzoate
- 155ml
- Olaplex
Olaplex No.0 Intensive Bond Builder 155ml
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Free delivery after your first order
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You control the frequency
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No commitment. Cancel or delay
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Payment will be taken every month. months.
$30.00

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OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for efficacy.
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4 installments of $7.50 with Klarna Learn more
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Our professional-inspired treatment primes your hair for deeper repair and protects hair integrity. Use as the first step in a two-part at-home system with No.3 Hair Perfector (sold separately) to strengthen and repair all types of damaged hair.
Redesigned for a quick and targeted stream application, the No.0 Intensive Bond Building Hair Treatment features an easy to use nozzle that primes the hair and delivers the highest concentration of the patented bond building technology of any Olaplex at home product. Scientifically Proven: 68% more repair & 3x stronger hair* *When used as a two-part system in just one use.
APPLICATION TIP: N°0 bottle should last 3-6 applications, based on hair length and density.
- Apply slowly to dry hair, distributing evenly from root to tip.
- Work No. 0 into small sections by squeezing the liquid into the hair to be fully absorbed as you go.
- Lightly saturate from root to tip. Hair should be damp, not drenched.
- Let process for 10 minutes.
- DO NOT RINSE.
- Apply No.3 Hair Perfector over hair with No.0 applied to it, combing through as needed. Let process for a minimum of 10 minutes. Rinse, shampoo & condition. For best results, use No.4 Shampoo & No.5 Conditioner.
Water (Aqua/Eau), Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Sodium Benzoate
- 155ml
- Olaplex
Customer Reviews
Top Customer Reviews
Where reviews refer to beauty products or supplements, results may vary from person to person. Customer reviews are independent and do not represent the views of Dermstore.
Reward members earn 50 points for every review written on verified purchases.
Using entire line
I’ve been using the entire line for a couple years now and my hair is at least 2 inches longer than before. So something is working!
Report this reviewGreat Product
Love using this with my No. 3 so that it does a better job in repairing my heat damaged hair.
Report this reviewDoes the trick, but $
This does help absorption of no 3, but for those on a budget this is the step I would cut first, and use water instead. Kind of surprised this priced the same as the other olaplex steps that seem more critical to results
Report this reviewOnly used once, but eh
I don't think this product added anything to the No. 3 product that it's supposed to accompany. I will try it again, but so far, I am not impressed.
Report this reviewissue with spray
I love the way this makes my hair feel as a pre treatment before the shower. I spray my hair with this no.0 and then top it with no.3 before showering. My issue is the spray bottle is a straight jet stream so I feel like it doesn't coat my hair adequately. However, it does a decent job to protect the hair as long as you get enough product.
Report this reviewMakes my scalp tingle
I mix this with the olaplex hair treatment (the one you use before shampoo) and spread this mixture over night. Then the next morning I use purple shampoo to keep my blond brassy color out. It definitely helps keep my hair from being too dry from The purple shampoo. BUT THIS WORKS ONLY WITH THAT OTHER OLAPLEX…. So I’m like ehhh by it self no… but with the other sister YESSSS
Report this reviewgame changer
this bond builder changed my hair. silky, smooth and strong. love it!
Report this reviewbest friend of No3
Using No0 and No3 is like a miracle for my hair. I do not use No0 every time I use no 3, only once a month, but using no 0 will strengthen the olaplex bond and make no 3 work the best
Report this reviewGreat Product
Great product to combine with the Number 3. Together they make my hair super soft and I can definitely tell a difference from my prior hair damage.
Report this reviewGreat Product
Really helps the number 3 get absorbed by the hair. A lit of bit pricy but definitely can tell a difference with it and the 3.
Report this review