Say hello to your new favorite hair serum formulated with potent antioxidants and patented OLAPLEX Bond Building Technology™ to protect and perfect all hair types and textures. This multi-benefit serum is daily protection from pollution, heat, and future damage for visibly healthier hair. 
Just like you use protection for your skin, Nº.9 provides immediate results for all hair types and textures. Visually, you’ll notice a satin shine with soft touch, bounce back curls, with plenty of style memory. Nº.9 is anti-tangle and anti-static, making it the perfect protectant for any hairstyle. What sets Nº.9 apart is its patented bond building technology first and foremost, potent antioxidants, and a 48 hour pollution protection index. Plus, it’s weightless and silicone free!
 
Ideal For: All Hair Types & Textures