Lightweight hair bonding oil serum from COSRX with Peptide 132 and plant oils to smooth, repair and enhance shine. COSRX Peptide 132 Ultra Perfect Hair Bonding Oil Serum is a lightweight bonding oil designed to repair damaged hair while adding shine and smoothness. This non greasy oil serum absorbs quickly to help reduce frizz, seal split ends and improve overall hair texture. Formulated with patented Peptide 132 and nourishing plant oils, it strengthens hair bonds and enhances elasticity. Ideal for daily use, it leaves hair silky, manageable and protected from heat and environmental stress.