Olaplex No.9 Bond Protector Nourishing Hair Serum


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Olaplex's No.9 Bond Protector is a silicone-free leave-in hair serum that hydrates and strengthens dry and damaged hair. It uses Olaplex's innovative patented bond-building ingredient, Bis-Aminopropyl Diglycol Dimaleate, and red algae extract to rebuild damaged hair bonds from the inside while providing heat protection up to 232°C and boosting shine. Suitable for all hair types including colour-treated hair, this product will leave you with gorgeously healthy and shiny hair.


  • A leave-in hair serum that hydrates and strengthens
  • Provides heat protection up to 232°C
  • Suitable for all hair types including colour-treated hair
  • Vegan, silicon-free and cruelty-free


    After cleansing and moisturising with No.4 Bond Maintenance Shampoo and No.5 Bond Maintenance Conditioner, apply a small amount of product to damp, towel-dried hair (use more for longer, thicker hair). Use a wide-tooth comb to distribute evenly, and then leave to air dry for gentle textures, or blow-dry for a smooth finish. It can also be applied sparingly to dry hair to control static and boost shine.


    Water (Aqua/Eau), Propanediol, Betaine, Quaternium-22, Sodium Hyaluronate, Bis-Aminopropyl Diglycol Dimaleate, Cetrimonium Chloride, Panthenol, Hydroxyethylcellulose, PVP, Guar Hydroxypropyltrimonium Chloride, Furcellaria Lumbricalis Extract, Pelvetia Canaliculata Extract, Xylitylglucoside, Polyquaternium-44, Anhydroxylitol, Maltitol, Citric Acid, Trisodium Ethylenediamine Disuccinate, Xylitol, Sorbic Acid, Phenoxyethanol, Ethylhexylglycerin, Sodium Benzoate, Fragrance (Parfum), Citral, Citronellol, Hexyl Cinnamal, Limonene, Linalool.

    Ingredients may change over time, so please read the packaging before using the product.