Nutri-Supplement Scalp Serum by Krastase is a moisturising scalp serum for dry scalps. A niacinamide-enriched serum that provides hydration and care to nourish dry hair u0026 scalp.This dry scalp serum has a non-greasy fluid formula that provides hydration and care for the scalp. Bottle made of 20% recycled glass.To use:STEP 1: Apply section by section on dry or damp scalp. 2 to 4 doses depending on your hair thickness.STEP 2: Massage to distribute evenly.STEP 3: Blow Dry; do not rinse. Use as often as needed.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.