Nourishing Split Ends Serum by Krastase is a highly nourishing and smoothing serum for dry hair with split ends. The 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.To use:STEP 1: Apply 5 drops of this split ends serum to wet ends, as a leave-in treatment.STEP 2: Style as desired. Do not rinse.In case of contact with eyes, rinse them immediately and thoroughly. If irritation occurs reduce the frequency of use.Nourishing split ends serum can be used after the entire Nutritive routine..Today, more than ever, the world needs care responsible and sustainable care. Since 2013, Krastase has resolved to extend its expertise in the art of care by committing to using less virgin plastic. Drawing on their excellence in innovation, finding new ways to cut down on waste and empower their customers to make more sustainable choices.Krastase is committed to optimising packaging whenever possible, using less virgin materials and more recycled materials, recyclable packaging and refillable delivery systems. Beginning with shampoo bottles and branching out to more and more products, they are creating a sustainable packaging program, with many more refill innovations to follow.Krastase is also committed to more sustainable production and since 2019 their factory in Burgos, Spain has achieved carbon neutrality by improving energy efficiency and using 100% renewable energy. Since 2017 the Burgos production facility has also been a waterloop factory. This means that 100% of the water used for production processes is recycled and reused in a closed loop. The External water network is only used in the composition of the products or for employees day to day needs.