The anti-damage hair shield. Seeing dull hair, tangles, or poor style retention? These could be signs of pollution or heat damage. Protect your hair from daily damage with this weightless, leave-in, silicone-free hair serum to shield hair from pollution for 48 hours and provide heat protection up to 450°F (232°C).

With antioxidant-rich Red Algae Extract and scientifically proven OLAPLEX® Bond Building Technology™. Olaplex No.9 is Cruelty free, Vegan, and free from Gluten, Nuts, Parabens, Phosphate, Phthalate, Sulfate and Silicone.

Apply a small amount to damp, towel-dried hair, working upward from ends to roots. Add more as needed. Air-dry for soft texture. Blow dry for a smooth finish. Diffuse for waves or curls. Scan the QR code for education and videos by hair type & texture.