Product Details

OLAPLEX No.9 Bond Protector Nourishing Hair Serum is a lightweight, antioxidant-rich, leave-in treatment that protects hair from pollution, free radicals, and heat damage up to 450°F/232°C. Powered by patented OLAPLEX Bond Building Technology™, it repairs broken disulfide bonds caused by environmental stressors, chemical treatments, or heat styling, strengthening hair for a healthier appearance. Infused with red algae extract and sodium hyaluronate, it hydrates, detangles, and smooths while delivering radiant shine.

This vegan, color-safe serum reduces frizz, prevents static, and enhances manageability without greasy residue. Ideal for all hair types, it ensures polished, resilient strands whether air-drying or heat styling, making it a daily essential for vibrant, protected hair.

Key Benefits

• Shields hair from pollution and environmental damage
• Provides heat protection up to 450°F/232°C
• Reduces frizz, static, and flyaways for smooth results
• Enhances shine, softness, and detangling
• Repairs bonds with OLAPLEX Bond Building Technology™
• Lightweight, residue-free, and safe for daily use
• Vegan, cruelty-free, and free from sulfates, parabens, and silicones

Suitable For

• All hair types, including fine, curly, and straight
• Color-treated and chemically processed hair
• Frizz-prone, dull, or environmentally stressed hair
• Daily protection and styling needs

Directions For Use

1. Apply a small amount of OLAPLEX No.9 Bond Protector Nourishing Hair Serum to damp, towel-dried hair.

2. Distribute evenly from mid-lengths to ends, working upward to roots.

3. Style as desired—air-dry, blow-dry, or use heat tools.

4. Reapply sparingly to dry hair for added shine and frizz control between washes.

Pro Tips

• Use 1-2 pumps for fine hair, 2-3 for thicker or longer hair.
• Layer with OLAPLEX No.6 Bond Smoother for extra frizz control or No.7 Bonding Oil for enhanced shine.
• Apply before outdoor activities to protect against pollution and UV exposure.
• Use as a primer before styling to maximize protection and manageability.

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.

*We make every effort to keep our ingredient lists accurate and up to date. However, formulations may be improved or adjusted over time, and slight variations can occur between regions due to local regulations. For the most accurate information, always refer to the ingredient list printed on your product packaging.

Frequently Asked Questions

Q. Does OLAPLEX No.9 Bond Protector Nourishing Hair Serum protect against heat?

A. Yes, it offers heat protection up to 450°F/232°C, perfect for blow-drying or styling with hot tools.

Q. Can OLAPLEX No.9 Bond Protector Nourishing Hair Serum be used on dry hair?

A. Yes, apply lightly to dry hair to refresh shine, tame frizz, and maintain protection between washes.

Q. Is OLAPLEX No.9 Bond Protector Nourishing Hair Serum suitable for fine hair?

A. Yes, its lightweight, residue-free formula adds shine and protection without weighing down fine hair.

Q. How does OLAPLEX No.9 Bond Protector Nourishing Hair Serum work with other OLAPLEX products?

A. Use as a primer before No.6 Bond Smoother for frizz control or No.7 Bonding Oil for extra shine and styling benefits.

Q. Is OLAPLEX No.9 Bond Protector Nourishing Hair Serum safe for color-treated hair?

A. Yes, it’s color-safe and enhances vibrancy while protecting chemically processed hair.

Q. How often should I use OLAPLEX No.9 Bond Protector Nourishing Hair Serum?

A. It’s safe for daily use to protect hair from pollution, heat, and environmental damage.

Q. Does OLAPLEX No.9 Bond Protector Nourishing Hair Serum repair damaged hair?

A. Yes, it uses Bond Building Technology™ to repair broken bonds, strengthening hair with each application.

Q. Can OLAPLEX No.9 Bond Protector Nourishing Hair Serum reduce frizz in humid conditions?

A. Yes, it controls frizz and flyaways, providing smooth, manageable hair even in high humidity.