Olaplex Nº.9 Bond Protector Nourishing Hair Serum
A lightweight, no-poo styling serum enriched with antioxidants to help protect against pollution for up to 48 hours. Provides up to 450°F (232°C) heat protection, reducing damage, frizz, and static. Enhances shine, maintains style, and adds volume.
Key Ingredients
- Bis-Aminopropyl Diglycol Dimaleate: Patent technology scientifically proven to repair broken disulfide bonds, making hair stronger.
- Red Algae Extract: Effectively blocks pollutants, nourishes hair, and provides antioxidant protection to neutralize free radicals before they cause damage.
Usage
Take a small amount and apply to damp hair, from the ends to the roots. Air dry for softness or use with a hair dryer for smoother results.
Use alone or in combination with Olaplex No. 6 Bond Smoother Reparative Styling Cream for better frizz control.
| Feature | Detail |
|---|---|
| Heat Protection | Up to 450°F (232°C) |
| Protection Duration | 48 hours |
| Key Benefit | Reduces frizz, static, and damage |
FAQ
Can this serum be used with heat styling tools?
Yes, it provides up to 450°F (232°C) heat protection and can be used with hair dryers or flat irons.
Does it help with frizz and static?
Yes, it helps reduce frizz and static, keeping hair smoother and more manageable.
Is it suitable for all hair types?
It is designed for all hair types and works well on damaged or chemically treated hair.




Joseph Hunter –
I’ve used this serum regularly after washing my hair. It gives a smooth finish and keeps my hair frizz-free even after using a blow dryer. The heat protection is noticeable, especially when styling with hot tools. My hair feels stronger and shinier after a few weeks.
Joe Avery –
Great for reducing static and keeping my curls defined. I apply it to damp hair before blow-drying. It doesn’t leave a greasy feel and works well with my regular styling routine.
Mary Kelly –
After using Olaplex No. 9, my hair has become more resilient. I noticed less breakage and better hold when styling. The red algae extract seems to help protect against environmental damage.
Theresa Dickens –
I use it every time I style my hair, especially in the winter when pollution is high. It keeps my hair looking healthy and prevents it from drying out.
David Ogden –
This serum is a game-changer for my damaged hair. It feels light, doesn’t weigh down the strands, and gives a noticeable shine. I use it with the No. 6 cream for even better results.