The K18 Leave-In Molecular Repair Hair Mask is a professional-grade product designed to provide deep conditioning and repair for all hair types. With active ingredients such as Cetearyl Alc and sh-Oligopeptide, this black hair mask offers a cruelty-free, vegan, and organic option for achieving a styling effect of hair repair. The convenient standard size container is made of glass, making it easy to use daily for a luxurious hair care experience. With the added benefit of 2-day delivery in the UK, this product is perfect for those looking to pamper their locks with a high-quality treatment.