WHAT IS IT? Nourishing Split Ends Serum by Kérastase is a highly nourishing and smoothing serum for dry hair with split ends. Our leave-in serum, enriched with polymers and lipids, is designed to improve the look of dry and split ends. This nourishing oil conditions dry and split ends and has a translucent oily-looking texture. NUTRI- SUPPLEMENT SPLIT ENDS SERUM BENEFITS: Up to 2x fewer visible split ends* Up to 99% stronger hair** Up to 81% more shine*** *Instrumental test vs untreated sensitised hair **Combing test, vs classical shampoo on sensitised hair ***Instrumental test, vs pre-washed hair