Hair serum for post-straightening, an innovative and unique product developed by Ollier Paris laboratories, specifically suited for hair that has undergone chemical treatment with an emphasis on straightening. A post-straightening serum based on a complex of 11 essential natural oils, providing the hair with concentrated treatment and deep repair. BABASSU & GRAPE oil extracts help give the hair shine, unify split ends, reduce static electricity, and preserve the straightening effect.