Olaplex No.9 Bond Protector Nourishing Hair Serum
£26.00
£28.00
Lightweight anti-pollution & heat protection serum for all hair types
Olaplex No.9 Bond Protector Nourishing Hair Serum is a weightless, silicone-free leave-in serum designed to protect hair from daily damage while improving manageability, shine and smoothness.
Formulated with antioxidant-rich red algae extract and Olaplex Bond Building Technology™, No.9 helps shield hair from environmental pollutants for up to 48 hours while providing heat protection up to 232°C (450°F).
Unlike traditional serums that rely on heavy silicones, No.9 delivers protection and performance without weighing hair down — making it ideal for fine, damaged, coloured and textured hair alike.
Why professionals recommend Olaplex No.9
Protects hair from heat up to 232°C (450°F)
Shields against pollution and environmental stress for up to 48 hours
Helps reduce tangles, static and frizz
Improves manageability and smoothness
Adds a soft, satin-like shine without residue
Silicone-free and suitable for all hair types and textures
What makes No.9 different from a hair oil or serum?
Olaplex No.9 is not a traditional oil.
Professionals use it as a protective styling serum, not just a shine product. It:
Protects hair during styling
Helps prevent damage caused by pollution and heat
Supports hair strength with bond-building technology
It’s ideal for clients who want lightweight protection and control without heaviness.
How to use
Apply a small amount to damp, towel-dried hair, working from the ends upward toward the roots.
Style as desired:
Air-dry for soft, natural texture
Blow-dry for a smooth, polished finish
Diffuse to enhance waves or curls
Apply sparingly to dry hair to control frizz and static or add a light shine finish.
Suitable for
All hair types and textures
Fine hair that can’t tolerate heavy oils
Coloured or chemically treated hair
Hair exposed to heat styling or pollution
Hair that tangles easily or feels static-prone
Professional tip
Olaplex No.9 works best as part of a complete routine. Use it after cleansing and treatments, and before heat styling, to help preserve repair results and protect hair from daily stress.
Pairs perfectly with:
Olaplex No.4C (for clarifying and reset)
Olaplex No.3 (for bond repair)
Professional heat styling tools
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.
Olaplex No.9 vs Hair Oil: What’s the Difference?
Many people assume all serums and oils do the same job — but professionals use them very differently.
Olaplex No.9 Bond Protector Serum
Purpose: Protects hair from heat and environmental damage
Texture: Lightweight, serum-like
Heat protection: ✔ Up to 232°C (450°F)
Pollution protection: ✔ Shields hair for up to 48 hours
Bond support: ✔ Yes (Olaplex Bond Building Technology™)
Finish: Soft, satin shine
Best for: Daily protection, fine hair, styling, frizz & static control
Traditional Hair Oils
Purpose: Add shine and softness
Texture: Heavier, oil-based
Heat protection: ✖ Often limited or none
Pollution protection: ✖ No
Bond support: ✖ No
Finish: Glossy or oily
Best for: Sealing ends, very dry or coarse hair
Professional Verdict
Olaplex No.9 is a protective styling serum, not a shine oil.Professionals use it before styling to protect hair and improve manageability.
Hair oils are usually used after styling to add shine or smooth the ends.
👉 For best results, many professionals use both:
No.9 before heat styling
Hair oil on dry ends if needed
Not Sure Which One You Need?
If your hair is:
Fine, damaged or heat-styled → Start with Olaplex No.9
Very dry or coarse at the ends → Add a small amount of oil after styling
Davines HEART OF GLASS Sheer Glaze vs Olaplex No.9: Which Should I Choose?
Both products protect hair during styling — but professionals use them for different hair needs.
Davines HEART OF GLASS Sheer Glaze
Best for blonde health, shine & daily styling
Primary purpose: Heat + UV protection for blonde hair
Focus: Blonde care, strength and shine
Texture: Lightweight leave-in thermal fluid
UV protection: ✔ Yes
Heat protection: ✔ Yes (blow-dry & styling tools)
Best for: Blonde, bleached or highlighted hair
Finish: Soft, silky, luminous
Professional note:Sheer Glaze is ideal for blondes who want ongoing protection and visible shine without heaviness.
Olaplex No.9 Bond Protector Nourishing Hair Serum
Best for bond support, pollution defence & heat protection
Primary purpose: Heat + pollution protection
Focus: Bond protection and manageability
Texture: Lightweight serum
Pollution protection: ✔ Up to 48 hours
Heat protection: ✔ Up to 232°C
Best for: All hair types, including damaged or colour-treated hair
Finish: Smooth, satin shine
Professional note:No.9 is a protective styling serum designed to defend hair from daily environmental and heat damage.
💡 Professional Verdict
These products are not replacements for each other — they can be used based on hair needs.
✔ Choose Sheer Glaze if your priority is blonde care, shine and UV protection✔ Choose Olaplex No.9 if your priority is bond support and pollution defence
👉 Many professionals use both:
Sheer Glaze for blonde-specific care
No.9 for extra protection in high-heat or polluted environments
Still Not Sure?
If your hair is:
Blonde and fragile → Start with HEART OF GLASS Sheer Glaze
Damaged, heat-styled or city-exposed → Start with Olaplex No.9
Blonde + heavily styled → Use both together