What it Does OLAPLEX No. 9 Bond Protector Nourishing Hair Serum is a leave-in, silicone-free hair serum to shield from pollution and heat that cause tangles, breakage, and static. OLAPLEX Bond Building Technology™ is paired with potent, antioxidant-rich Red Algae Extract to nourish hair, block pollutants, and neutralize free radicals. See satin shine, style memory, bounceback curls, anti-tangle and anti-static action, and heat protection up to 450°F. For all hair types. How to Use 1. As the first step in your styling routine, apply a small amount to damp hair working upward from ends to roots. Use more as needed for longer, thicker hair. 2. Use alone or follow with No.6 Bond Smoother® for frizz control and/or No.7 Bonding Oil™ for brilliant shine. 3. Style as usual - Air-dry for a soft texture. Blow-dry for a smooth finish. Diffuse for waves or curls. Hair Type: Textured, Coily, Wavy, Curly, Straight Features: Travel Size Concerns: Damaged, Shine, Dryness, Detangling, Frizz, Curl Enhancing, Straight + Smooth Fluid Ounces: 3 oz. Ingredients: Silicone Free Formulation: Serum Cbd: No Country of Origin: Made in US Ingredients: 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.