Featuring an Anti-Residue Shampoo, Brazilian Smoothing Treatment and Brazilian Intensive Hair Mask, this three-step system uses keratin and antioxidants (like acai and cocoa) to help rebuild and ...

The K18 Leave-In Molecular Repair Hair Mask has quickly become the crown jewel of the brand’s science-backed, ...

Those looking to streamline their haircare regimes may wonder: Are the best hair masks just… conditioners? Alas, one can’t ...