Olaplex No. 0.5 Scalp Longevity Treatment
A weightless, leave-in scalp serum designed to hydrate, soothe, and protect the scalp while promoting long-term hair health. Suitable for all hair and scalp types, it uses Olaplex’s patented Bond Building Technology plus ceramides, fatty acids, and antioxidant extracts to strengthen the scalp barrier and support healthier-looking hair from the root.
Key Benefits
- Immediate hydration & soothing — Delivers 5x more hydration right away and leaves the scalp feeling nourished after just one use.
- Strengthens scalp barrier — Clinically shown to improve the scalp barrier by 51% in 14 days while balancing the microbiome.
- Promotes healthier hair — Helps hair appear softer, shinier, and more visibly healthy over time (results typically seen in 2–4 weeks).
- Anti-aging protection — Antioxidant-rich formula helps defend against free radicals and environmental stressors that accelerate scalp aging.


