OLAPLEX No. 9 HAIR SERUM is a protective shield for hair from damage and contamination. Protect your hair from daily negative effects with this weightless, indelible serum: silicone-free, with red algae extract and antioxidants. The scientifically proven OLAPLEX technology will protect the hair from contamination for 48 hours and provide thermal protection up to 232 °C. The nourishing Olaplex No.9 Bond Protector Hair Serum is suitable for dry and damaged hair. It helps to enhance the shine of the hair and replenish the lost moisture. Tangible and visible benefits: • Healthy shine, satin softness and silky hair . • Elastic curls and clear styling . • Prevents tangling and static electricity.