Olaplex No.9 Bond Protector Nourishing Hair Serum
A weightless, antioxidant-rich, multi-benefit serum that provides pollution protection to perfect and protect all hair types and textures. Offers frizz control, anti-static properties, detangling ease, and bounce-back memory.
| Key Benefits | Details |
|---|---|
| Frizz Control | Reduces frizz and maintains smooth hair texture |
| Anti-Static | Minimizes static build-up for smoother handling |
| Detangling | Helps ease daily detangling without pulling |
| Bounce-Back Memory | Supports hair’s natural resilience and structure |
| Pollution Protection | Rich in antioxidants to shield hair from environmental damage |
OLAPLEX products are thoroughly tested in-house and by independent third-party laboratories for safety and efficacy. This includes the industry standard Human Repeat Insult Patch Test (HRIPT), which tests for skin irritation or sensitivity. All OLAPLEX products passed the HRIPT, meaning they show no signs of causing irritation, inflammation, or sensitivity.
FAQ
Does this serum work on all hair types?
Yes, the serum is formulated to provide benefits for all hair types and textures, including curly, straight, fine, and thick hair.
Can I use this serum with other hair treatments?
Yes, it can be used alongside other hair care products. Apply after washing or as part of your daily routine for added protection and smoothness.
Is this product safe for color-treated hair?
Yes, it is designed to protect and strengthen hair bonds, making it suitable for color-treated hair.

Sarah Nolan –
I’ve used this serum for a few weeks now and noticed a significant reduction in frizz, especially in humid weather. My hair feels smoother and more manageable. No greasiness, just light nourishment. Works well with my color-treated hair.
Ian Wilson –
After switching from a regular leave-in, I see better detangling and less static. My hair holds its shape better and feels more resilient. It’s a simple addition to my routine that makes a real difference.
Lauren North –
The serum is lightweight and absorbs quickly. I appreciate the pollution protection aspect. It doesn’t leave a residue, and my hair stays bouncy throughout the day.
Tim Thomson –
I use it every night before bed. My hair feels stronger and less prone to breakage. The anti-static effect is noticeable when I brush it in the morning.
Maria Clarkson –
Great for daily use. Works well with my curly hair. It helps reduce frizz and gives a soft, natural shine without weighing hair down.