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Olaplex

No. 0 Intensive Bond Building Hair Treatment for Deep Repair & Strengthening

4.1 · 1835 reviews
3,186 ₽

What it is: Infused with bond-building technology, this intensive treatment primes hair for No. 3 Hair Repair Perfector (sold separately) to deeply repair, strengthen, and protect hair integrity.Hair Type: Fine, Medium, and ThickHair Texture: Coily, Curly, Straight, and WavyHair Concerns: - Heat Protection- Shine- Damage, Split Ends, and BreakageKey Benefits: - Primes hair to intensify benefits of No. 3 Hair Perfector (sold separately).- Strengthens weakened bonds deep within the hair strand.- Repairs hair from chemical, thermal, mechanical, and environmental damage.Highlighted Ingredients:- Bis-Aminopropyl Diglycol Dimaleate: Rebuilds broken and weakened bonds.Ingredient Callouts: This product is vegan, cruelty-free, and gluten-free.What Else You Need to Know: 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. No. 0 Intensive Bond Building Hair Treatment contains the highest concentration of the patented bond building technology of any Olaplex at home product. Olaplex products feature first-of-their-kind, patented, bond-building technology, which relinks the broken disulfide bonds caused by chemical, thermal, and mechanical damage to the hair. This formula is made to work with every hair type, providing real, structural repair that works from within.OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.

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What it is: Infused with bond-building technology, this intensive treatment primes hair for No. 3 Hair Repair Perfector (sold separately) to deeply repair, strengthen, and protect hair integrity.Hair Type: Fine, Medium, and ThickHair Texture: Coily, Curly, Straight, and WavyHair Concerns: - Heat Protection- Shine- Damage, Split Ends, and BreakageKey Benefits: - Primes hair to intensify benefits of No. 3 Hair Perfector (sold separately).- Strengthens weakened bonds deep within the hair strand.- Repairs hair from chemical, thermal, mechanical, and environmental damage.Highlighted Ingredients:- Bis-Aminopropyl Diglycol Dimaleate: Rebuilds broken and weakened bonds.Ingredient Callouts: This product is vegan, cruelty-free, and gluten-free.What Else You Need to Know: 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. No. 0 Intensive Bond Building Hair Treatment contains the highest concentration of the patented bond building technology of any Olaplex at home product. Olaplex products feature first-of-their-kind, patented, bond-building technology, which relinks the broken disulfide bonds caused by chemical, thermal, and mechanical damage to the hair. This formula is made to work with every hair type, providing real, structural repair that works from within.OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.

Customer reviews

5.0
verified purchase
Loved product, but needs to come in a bigger size!

Needs to come in a bigger size, but needs a better sprayer!! As a curly girl with thick hair, a full bottle is used to get my hair close to damp!

6/19/2026
5.0
verified purchase
I recommend

Really good product. I would definitely recommend.

3/11/2026
5.0
verified purchase
Shedding less after a few months of use.

I was first introduced to Olaplex by my niece who wanted some products for Christmas a few years ago. After shedding a lot of hair this summer I decided to look for a bonding product so I went with this remembering that my niece had such positive things to say about it. And I noticed after a few months I am shedding a lot less now. So I feel like it does make my hair stronger.

2/15/2026
5.0
verified purchase
My curls savior

I’ve been using this product for over two years now and it wasn’t until recently that I went 4 months without it and started to hate my long hair. My curls were limp and my hair just felt heavy then I did my routine (deep cleanser, no. 0, no. 3, and conditioner). BAM! My curls have never looked better and any desire to cut my long hair is gone. Writing this review to remind me to not go more than 2 months again. Well worth it.

1/15/2026
3.0
verified purchase
Skip for me

I didn’t love this product. It also made my hair feel weird. Super dry and not as soft as it naturally is.

1/1/2026
2.0
verified purchase
Burned my skin

I read all the reviews and despite that I was still shocked how bad the package is. It took forever to even open, let alone use. Then, where the product dripped down my face I felt a burning. Then my scalp felt a bit burning. When I looked in the mirror I saw how red my skin was there. The burning and redness concerns me. For that reason I won’t use it again.

8/28/2025
1.0
verified purchase
Awful package and bad product.

The spray shoots out so u can’t evenly mist it over your hair. I have noticed NO difference for 40 dollars I’d expect some change after consistent proper use but no. Such a waste of money

4/14/2025
5.0
verified purchase

First of all, yes, the spray nozzle is terrible. I dont understand how that was passed. Anyway, the product itself is amazing! I sprayed it on damp hair and combed it through, let it sit for 10 minutes, then used No. 4 & 5 to wash and condition. I let it air dry and my hair felt so incredibly smooth. I styled it the next day when I noticed the shine on it. My hair is usually pretty dry, healthy, but dry. I can't stop looking at it and now I'll make sure to always include it in my hair routine.

3/24/2025
2.0
verified purchase
Just use Water

Not quite worth it. Use water to dampen hair. I just bought in Sephora Sale and the bottle is already half gone with one time use. I have curly a little shoulder length hair. I wouldn't recommend simply because price and usage amount. No real comment on quality of product.

4/11/2026
2.0
verified purchase
Change the spray

They need to change the nozzle spray ASAP. It made me go through the entire bottle in 2 weeks.

4/6/2026