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Olaplex Mask & Treatment
Olaplex built its reputation on bond-repair technology, a patented ingredient that reconnects broken disulfide bonds inside the hair caused by heat, colour or chemical treatments. Unlike a regular conditioning mask, these treatments work on a structural level rather than just coating the hair surface. This category brings together Olaplex's in-shower and at-home bond-building treatments, including No. 0 Intensive Bond-Building Treatment, Hair Perfector No. 3 and No. 2 Bond Perfector, so you can pick the step that matches how damaged or fragile your hair currently is.
How does a bond-building treatment work
Bond-building treatments target the internal structure of the hair rather than just smoothing the outside. Each time hair is bleached, coloured, heat-styled or chemically treated, some of its natural disulfide bonds break, which leads to weaker, more brittle strands. A bond-building ingredient relinks these broken bonds, which can improve strength and elasticity over repeated use. These treatments are not the same as a standard conditioner or moisturising mask, since their main job is repair rather than surface softness. They're suitable for coloured, bleached, heat-damaged or chemically treated hair, and less necessary for hair that hasn't had any of these treatments. Results build up gradually, so consistent use over several weeks tends to work better than a single application. Most bond treatments are used before or instead of a regular conditioner, not on top of one.
No. 0 Intensive Bond-Building Treatment: the first step
No. 0 Intensive Bond-Building Treatment is applied to towel-dried hair before No. 3, working as a concentrated first step that prepares the hair for deeper repair. It's rinsed out after the recommended time and typically followed by No. 3 for a two-step in-shower routine. This combination is aimed at hair that's noticeably damaged, over-processed or prone to breakage. If your hair is only mildly dry, a lighter routine may be enough and you might not need this intensive step every wash.
Hair Perfector No. 3: the at-home bond builder
Hair Perfector No. 3 is Olaplex's best-known at-home treatment and is used once or twice a week before shampooing, left on for at least ten minutes. It works on all hair types, from fine to thick, and is often the entry point for people trying bond-building for the first time. It won't replace a leave-in conditioner or styling product, since its role is pre-wash repair rather than daily hydration or styling hold. For travel or trying it out first, Hair Perfector No. 3 Travel Size is a practical, lower-commitment option.
No. 2 Bond Perfector: professional in-salon step
No. 2 Bond Perfector is designed primarily for use during a salon colour or chemical service, applied between steps to reinforce bonds while the hair is still going through processing. It's a more concentrated, professional-oriented product than the at-home treatments and isn't typically part of a weekly home routine. Stylists often use it directly after bleaching or perming to limit the amount of damage done during the process itself.
Complete treatment kits
For people who want the full bond-building routine without buying each step separately, Olaplex offers combined kits such as Kit No. 3, 4, 5 + 6 and the Best of Bond Builders Set. These bundle the pre-wash treatment with maintenance shampoo and conditioner, which can work out more convenient and cost-effective than buying items individually. They're a sensible starting point if you're new to the brand and unsure which single products to pick first.
Popular products
Olaplex – Bond Smoother No. 6 Leave-in Reparative Styling Creme – 100 ml > OlaPlex - No. 2 - Bond Perfector - 2000 ml > Olaplex – No. 0 Intensive Bond Building Treatment – 155ml >