Olaplex’s cult status is well earned, and the No.9 Bond Protector is a prime example of why. This silicone-free serum does more than just shield hair from heat up to 232˚C — it’s packed with antioxidant-rich red algae, panthenol, and the brand’s signature bond-building technology to actively repair damage while preventing future breakage. Think of it as armour for your strands — protecting against hot tools, pollution, and UV exposure, all in a featherlight formula.
Whether your hair is fine, thick, curly, or straight, this fast-absorbing serum sinks in without stickiness or residue. It smooths frizz, boosts shine, and acts as the perfect primer pre-styling. For those who are religious about heat tools but still want soft, resilient hair with that healthy, swishy bounce — this is your new go-to.
Best for: Damaged or colour-treated hair in need of a shield
Why We Love It: Strengthens from within while offering weightless, invisible protection