Kérastase Chronologiste Overnight Youth Serum night serum anti-age for hair 90 ml — Hair treatmentWake up to revitalised, hydrated, silky-soft hair. The Kérastase Chronologiste Serum Overnight Youth Serum night serum offers an intensive overnight treatment, addressing various concerns such as…FeaturesHairanti-age actionHow to useDistribute through the hair as needed and proceed with your usual styling or washing routine.Ideal forChi seeking well-cared-for hair with professional formulas.