Serum & Fluid Olaplex No.9 Bond Protector Nourishing Hair Serum 90ml Olaplex OLA009 €29.50 Olaplex No.9 Bond Protector Nourishing Hair Serum is the latest addition to the Olaplex range! With antioxidant-rich red algae extract and proven OLAPLEX Bond Building Technology™. ADD TO CART