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Do you wish that you could prevent hair damage before it even has a chance to take hold? Well, pollution is one of the main causes, and Olaplex has tackled the problem head-on with the brand new No.9 Bond Protector Nourishing Hair Serum. We’re going to reveal everything from its antioxidant formula right through to how it seamlessly fits with the rest of the Olaplex system, so you’ll see why this pollution-busting serum is the new must-have for your haircare routine.

What makes the Olaplex range so different?

You might have heard Olaplex called “the gold standard in hair repair”, but it’s actually the science inside it that has made the brand such a global success. It’s all thanks to a single molecule: Bis-Aminopropyl Diglycol Dimaleate. Free of oils and silicones, it relinks the broken bonds found deep within your hair, and reverses the effects of the five forms of damage:


  • Colour
  • Chemical
  • Mechanical
  • Environmental
  • Lifestyle

Suitable for every hair type and texture, from fine to coiled, the Olaplex system really does transform your hair into the best version of itself. However, the best has just got even better.

So what’s new in Olaplex No.9?

The usual way that haircare works is by repairing damage caused by colour, chemical, mechanical, environmental and lifestyle factors. It’s dealing with the problem AFTER it’s happened. The new No.9 Bond Protector Nourishing Hair Serum actually protects the hair BEFORE environmental damage even has a chance to take hold.

The serum contains Olaplex’s patented bond-building technology, but is also packed full of antioxidant-rich ingredients that shield the hair against free radicals and pollution. We’re exposed to these free radical molecules every day, especially in towns and cities, and they can cause hair to become brittle, can damage the hair follicle, and also contribute to the fading of your hair colour.

So, adding the new No.9 Bond Protector Nourishing Hair Serum into your post-wash routine guarantees expert protection along with unbeatable styling. As well as being silicone-free, weightless, and suitable for all hair types, it also promises:


  • Heat protection up to 232°C
  • Anti-static and anti-tangle
  • Satin shine

How do I use Olaplex No.9?

In the same way that you apply a serum to your skin, the Olaplex No.9 Bond Protector Nourishing Hair Serum is designed to work alongside, and also boost, the already incredible effects of Olaplex’s patented formula. Whatever you routine, all it takes is three simple steps to get your hair ready for everything that city life might throw at it.


  1. Apply a small amount of the No.9 Bond Protector Nourishing Hair Serum to damp, towel-dried hair, working upwards from ends to roots. Add more as needed.
  2. Style with hairdryer, curlers, straighteners or tongs. Air-dry for soft texture, blow-dry for a smooth finish, or diffuse for waves and curls.
  3. Follow with the No.7 Bonding Oil if you want an even more vibrant shine.

TOP TIP: If your hair is already showing signs of damage, add in the Olaplex No.6 Bond Smoother after Step 1 for added hydration and repair.

Where does No.9 sit with the rest of the Olaplex series?

The beauty of the No.9 Bond Protector Nourishing Hair Serum is that you can mix and match it with the whole range, just as you do with the current selection. It’s the perfect way to stop environmental damage before it even gets started, so read our step-by-step guide to discover how it fits into your Olaplex haircare routine.

Step One (Optional)

Saturate dry hair with the Olaplex No.0 Intense Bond Building Treatment, leaving it in for ten minutes, but do not rinse out. Follow up immediately with the Olaplex No.3 Hair Perfector, again leaving in for ten minutes but this time rinsing out.

Step Two

Massage the Olaplex No.4 Bond Maintenance Shampoo from roots to ends until it creates a rich foam and rinse out. If using the No.4P Blonde Enhancer Toning Shampoo then this needs to be rinsed out after three minutes.

Step Three

Apply the Olaplex No.5 Bond Maintenance Conditioner from mid-lengths to ends. Rinse out thoroughly and move on to the Olaplex No.8 Bond Building Moisture Mask. Leave in for ten minutes and again rinse out.

Step Four

Apply a small amount of the Olaplex No.9 Bond Protector Nourishing Hair Serum onto towel-dried hair, working upwards from ends to roots. You can follow this with Olaplex No.6 Bond Smoother if your hair is already showing signs of environmental damage.

Step Five

For a more vibrant shine, finish with Olaplex No.7 Bonding Oil and style as desired. Along with straightening and curling, you can also air-dry for soft texture, blow-dry for a smooth finish, or diffuse for waves and curls.

Shop the perfect Olaplex products for your at-home routine

We told you it was a pollution solution!

So, we’ve gone through everything there is to know about No.9, from its formula to how you can combine it with the rest of the Olaplex system, but here’s three final reasons why the No.9 Bond Protector Nourishing Hair Serum is such an important addition to your haircare routine.

Tried, true and trusted

Olaplex’s patented technology is renowned worldwide and continues to be the industry innovator for bond-building haircare. The No.9 Bond Protector Nourishing Hair Serum continues Olaplex’s promise to give you salon-quality results from the comfort of your own home.

Calm, cool and collected

No matter whether your hair is coiled and blonde or straight and coloured, the No.9 Bond Protector Nourishing Hair Serum is suitable for all hair types and textures. Even though it is highly concentrated in active ingredients, its formula is gentle enough for you to use every day.

Protect and perfect

The Olaplex No.9 Bond Protector Nourishing Hair Serum redefines preventative haircare thanks to its antioxidant-rich formula. By actively stopping environmental damage before it even has a chance to take hold, you can have the healthy hair that you’ve always wanted.

Shop the Olaplex No.9 Bond Protector Nourishing Hair Serum at Sally Beauty. For more advice and the latest hair and beauty tips, be inspired by our .