Every use of Nº.9 Bond Protector Nourishing Hair Serum feels like wrapping your hair in a weightless veil of protection and shine. The silky, antioxidant-rich formula glides effortlessly through your strands, instantly detangling, smoothing, and adding a soft satin finish without heaviness.
Infused with OLAPLEX Bond Building Technology, it shields your hair from pollution for up to 48 hours and protects against heat up to 450ºF (232ºC). Hair feels smoother, bouncier, and more resilient — static-free, radiant, and beautifully full of movement, ready to take on anything the day brings.