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No. 9 Bond Protector Frizz Reduction & Heat Protectant Hair Serum

1.3K |
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Out of Stock
$25.60 $32.00
What it is: A weightless, leave-in styling serum that’s rich in antioxidants to help protect from pollution, heat, and future damage for shine, bounce
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Estimated delivery Aug 20–Aug 25
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Olaplex

What it is: A weightless, leave-in styling serum that’s rich in antioxidants to help protect from pollution, heat, and future damage for shine, bounceback curls, and anti-static and anti-tangle action. Can be used on clean, damp hair and reapplied between washes.

Hair Type: Fine, Medium, and Thick

Hair Texture: Coily, Curly, Straight, and Wavy

Hair Concerns:
- Heat Protection
- Shine
- Anti-Aging

Key Benefits:
- Delivers shine, style retention, and bounce
- Reduces tangles and static
- Protects against environmental aggressors and heat

Highlighted Ingredients:
- Bis-Aminopropyl Diglycol Dimaleate: Patented technology scientifically shown to repair broken bonds for stronger hair.
- Red Algae Extract: Blocks pollutants and neutralizes damaging free radicals with rich antioxidant levels.

Ingredient Callouts: This product is vegan and cruelty-free.

What Else You Need to Know: Perfect for all hair types, this antioxidant-rich, silicone-free styling serum shields strands from pollution, heat, and future damage by supplying nourishment, blocking pollutants, and neutralizing free radicals. Use on clean, damp hair and reapply between washes for satin shine, style retention, bouncy curls, less static and tangles, and heat protection up to 450°F.

Clinical Results: In an independent-lab study, after hair was exposed to 2 cycles of pollution, with 90% to 99% of particle-size pollutants found in nature:
- It shielded hair from pollution for 48 hours



OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.

Verified Purchase
5d ago
I love Olaplex No. 9! It makes my hair feel softer, smoother, and easier to manage without weighing it down. It helps reduce frizz and gives my hair a healthy shine. A little goes a long way, and it has become a great addition to my hair routine
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review photo
yeleluzzz
2mos ago
 Every time I use it my hair gets greasy and i need to wash it next day. I’m still trying to figure out how to use it.
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rraawwaann
Verified Purchase
4mos ago
I recommend
I recommend this product if your hair feels hard or stiff. I apply after shower to damp hair. I love it.
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NailsbyMe
Verified Purchase
6mos ago
MUST HAVE PRODUCT
Great hydration, shine, smoothness, and heat protection without weighing hair down. Reduces frizz and blow-dry time for smoother, healthier-looking hair, I love this product very much especially when you have the grey (do it's own thing) hair. Heating tools on grey hair has a tendency to turn the hair yellow and this helps maintain it without the yellowing. see picture after blow out.
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review photo
emc373
Verified Purchase
6mos ago
Made my hair so frizzy woke up looking like I got electrocuted. I hate it returning it tomorrow
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OHIOchica
8mos ago
Worth trying!
I have wavy, fine, often frizzy hair, and my hair always look better if I use No 9 before blowing it out. I apply No 9 near the crown and root area and a heavier leave in conditioner at the ends. I take away 1 star because it did leak so I am not loving the container.
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JaneHsieh
10mos ago
Hair loss
I ignored the reviews about hair loss. I used this product for months as a leave in for my curly hair and thought my hair loss was from stress. It was amazing but too expensive so I found a cheap alternative. After I found a cheap alternative I noticed new hair growth in my hairline like significantly huge hair growth
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Jacquel1n3
Verified Purchase
10mos ago
Good Product
It’s a great product, my hair feels smoother but it’s not really effective on my frizz.
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Stuti9
Verified Purchase
10mos ago
Packaging is not great.
Product came in malfunctioning. Pump and dispenser was not working. Had to dissect packaging for the product and product was half dried up and crusty already. Would not purchase again.
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YaqRico
1yr ago
Silky, healthy hair
best hair product ive ever used. used it all of last summer and my hair had never been healthier. (was also consistently box dying it black.) havent used it since september probably but am about to repurchase!
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brooklynn3028
Hazel eyes, Fair skin tone, Combination skin

What it is: A weightless, leave-in styling serum that’s rich in antioxidants to help protect from pollution, heat, and future damage for shine, bounceback curls, and anti-static and anti-tangle action. Can be used on clean, damp hair and reapplied between washes.

Hair Type: Fine, Medium, and Thick

Hair Texture: Coily, Curly, Straight, and Wavy

Hair Concerns:
- Heat Protection
- Shine
- Anti-Aging

Key Benefits:
- Delivers shine, style retention, and bounce
- Reduces tangles and static
- Protects against environmental aggressors and heat

Highlighted Ingredients:
- Bis-Aminopropyl Diglycol Dimaleate: Patented technology scientifically shown to repair broken bonds for stronger hair.
- Red Algae Extract: Blocks pollutants and neutralizes damaging free radicals with rich antioxidant levels.

Ingredient Callouts: This product is vegan and cruelty-free.

What Else You Need to Know: Perfect for all hair types, this antioxidant-rich, silicone-free styling serum shields strands from pollution, heat, and future damage by supplying nourishment, blocking pollutants, and neutralizing free radicals. Use on clean, damp hair and reapply between washes for satin shine, style retention, bouncy curls, less static and tangles, and heat protection up to 450°F.

Clinical Results: In an independent-lab study, after hair was exposed to 2 cycles of pollution, with 90% to 99% of particle-size pollutants found in nature:
- It shielded hair from pollution for 48 hours



OLAPLEX products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.

-Bis-Aminopropyl Diglycol Dimaleate: Patented technology scientifically shown to repair broken bonds for stronger hair.
-Red Algae Extract: Blocks pollutants and neutralizes damaging free radicals with rich antioxidant levels.

Water (Aqua/Eau), Propanediol, Betaine, Quaternium-22, Sodium Hyaluronate, Bis-Aminopropyl Diglycol Dimaleate, Cetrimonium Chloride, Panthenol, Hydroxyethylcellulose, PVP, Guar Hydroxypropyltrimonium Chloride, Furcellaria Lumbricalis Extract, Pelvetia Canaliculata Extract, Xylitylglucoside, Polyquaternium-44, Anhydroxylitol, Maltitol, Citric Acid, Trisodium Ethylenediamine Disuccinate, Xylitol, Sorbic Acid, Phenoxyethanol, Ethylhexylglycerin, Sodium Benzoate, Fragrance (Parfum), Citral, Citronellol, Hexyl Cinnamal, Limonene, Linalool.

.
Suggested Usage:
-Use as the first step in your styling routine.
-Use on wash days and/or in between washes on dampened hair for added protection.
-Apply a small amount to damp hair, working upward from ends to roots.
-Use more as needed for longer, thicker hair.
-Use alone or follow with No. 6 Bond Smoother Reparative Styling Creme for frizz control and/or No. 7 Bonding Hair Oil (each sold separately) for brilliant shine.
-Air-dry for a soft texture.
-Blow-dry for a smooth finish.
-Diffuse waves or curls.
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