The K18 Biomimetic Hair Science Leave-In Molecular Repair Hair Mask is a luxurious hair treatment designed for women of all hair types. This 50ml cream formulation contains active ingredients such as Keratin and Argan Oil, providing deep hair repair and styling effects. The leave-in mask is perfect for restoring damaged hair and leaving it feeling nourished and revitalised. With a Period After Opening of 12 months, this product from K18 is a must-have for anyone looking to achieve a sleek and healthy finish for their hair.