Olaplex No. 9 Bond Protector Nourishing Hair Serum is a silicone-free antioxidant formula designed to target dry and damaged hair, helping to boost shine and replenish lost moisture. Infused with the brand’s patented Bond Building Technology™ and red algae extract, the serum creates a weightless veil over the hair to protect against pollution and heat up to 232°C. The hair serum adds a glossy satin shine while minimizing the look of static and tangles. Made in United States. Useful information: cruelty free, dea free, phosphate free, phthalates free, gluten free, paraben-free, sulphate-free.