N°.9 Bond Protector™ Hair Serum | Heat Protectant & Softens, 90 mL | For All Types & Textures, Apply to Damp or Wet Strands, Heat Protection Up to 450°F/232°C, Color Safe, Vegan

I was struggling with dull, heat-damaged ends and relentless frizz, but Olaplex No. 9 Bond Protector has completely turned things around! This weightless serum acts as an invisible shield against daily pollution and heat styling, leaving my hair noticeably silkier, bouncier, and remarkably soft. It adds a healthy, glossy shine without ever weighing my fine hair down or making it greasy. Applying just a tiny pump to damp hair before blow drying instantly smoothes flyaways, detangles knots, and holds my style all day. Plus, it’s amazing that Amazon carries the entire Olaplex lineup from the iconic No. 3 treatment to the No. 4 and 5 wash duo, No. 6 leave in cream, and No. 7 bonding oil. Building a full, salon quality routine at home has never been easier. I will definitely keep repurchasing!

I love this hair serum so much! I always apply it throughout my damp hair after I shower before I blow dry and it ensures that my hair is silky and shiny and frizz-free. I have used multiple bottles because I love the effect on my hair.

This product had been amazing on my hair. I'm not usually a fan of olaplex products having tried the no 1 previously and didn't find it did much. But this I love, I only need 1 pump on my long hair and it leaves is soft and shiny. It has no silicone, which is a bonus.

I am satisfied.

Olaplex products are fantastic. As long as Amazon keep there prices competitive I will continue to order from them. The serum is wonderful on both curly or straight hair. Protects from heat damage.

Great

This hair serum is really lovely. It really coats the hair and leaves it very soft and sleek and frizz free.

Almost finished with it and my hair is always like silk after I use it, it's a repurchase for me

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I bleached my hair and went to cut the ends. I still have some hair remaining that was bleached so I really don’t want my ends to end up being so dry again. I’ve only used this twice and used one pump on my hair after towel drying it. And when I either air dry or blow dry it, it leaves my hair really soft and healthy. Love it!!

Bad may be not the original

Termoprotettore della linea OLAPLEX, ottima texture e dura veramente tantissimi mesi, ne basta una goccia da distribuire sui capelli, buona la profumazione! Consigliato

I absolutely love Olaplex No. 9! It leaves my hair feeling soft, smooth, and healthy without weighing it down or making it feel greasy. I use it before heat styling, and it helps control frizz while giving my hair a silky, polished look. A small amount goes a long way, so the bottle lasts quite a while. I've noticed my hair feels more manageable and looks shinier since I started using it. It's become a regular part of my hair care routine, and I'll definitely keep repurchasing it. Highly recommend for anyone looking for a lightweight heat protectant that actually makes a difference.