Olaplex No.9 Bond Protector Nourishing Hair Serum is a lightweight, silicone-free leave-in serum designed to shield, smooth, and strengthen hair exposed to daily stress. Powered by patented Bond Building Technology™ and antioxidant rich red algae extract, it helps replenish moisture while reinforcing hair against damage.

This weightless serum creates a protective veil that defends hair from environmental pollutants and heat styling up to 232°C. It helps reduce static, minimise tangles, and improve manageability while enhancing softness and shine. Hair feels smoother, stronger, and healthier with a long-lasting satin-like finish.

Ideal for dry, damaged, or stressed hair, No.9 fits seamlessly into daily styling routines where protection, strength, and performance matter.

Features & Benefits

• Protects hair from pollution and heat up to 232°C

• Silicone-free, lightweight leave-in serum

• Strengthens and nourishes dry or damaged hair

• Helps reduce static and tangling

• Enhances softness, shine, and manageability

• Powered by Bond Building Technology™

• Infused with antioxidant-rich red algae extract