Olaplex No.9 Bond Protector Nourishing Hair Serum 90ml is a daily-use leave-in serum from the iconic Olaplex bond-building family — formulated to protect the look of damaged hair, smooth frizz and add weightless shine across all hair types. Its lightweight, fast-absorbing formula seals split ends, primes hair for styling, and shields against humidity, pollution and heat damage in a single, multi-benefit step.
About Olaplex
Olaplex is the American haircare brand that revolutionised the industry in 2014 with its patented bond-building technology — a chemical breakthrough that helps repair the look of damage at the structural level. Today the line spans both salon-only and at-home formulas, with No.9 designed as a lightweight, daily-use leave-in serum for everyday styling and protection.
Key features
- Daily-use leave-in serum suitable for all hair types — including coloured and chemically treated
- Olaplex bond-building technology helps protect the look of damaged hair
- Provides up to 24 hours of frizz control and humidity resistance
- Lightweight, fast-absorbing formula leaves no greasy residue or build-up
- Vegan, cruelty-free, sulphate-free and silicone-free
Who it's for
For all hair types — including fine, oily and dehydrated hair that struggles with heavier oils. Particularly well suited to those who heat-style daily or live in humid climates, and a strong pick for users completing the Olaplex bond-building routine at home. Pairs naturally with the rest of the Olaplex line — No.3 Hair Perfector, No.4 Bond Maintenance Shampoo and No.5 Conditioner.
How to use
- Apply daily to damp or dry hair, before or after styling.
- Dispense 1–4 pumps into the palm, depending on hair length and thickness.
- Smooth evenly through the mid-lengths and ends; avoid the scalp.
- Style as usual — blow-dry, air-dry or heat-style as preferred.
- Reapply on dry hair throughout the day to refresh frizz control and shine.
Specifications
- Type: Leave-in nourishing hair serum
- Size: 90ml
- Format: Pump bottle
- Hair type: All
- Brand: Olaplex
- Range: No.9 Bond Protector
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