A mixable multi-functional composition for application to keratin fibers such as hair, lashes or brows comprising at least one volatile solvent, at least one siloxane resin, at least one montmorillonite mineral, optionally at least one non-volatile oil, and optionally at least one wax； and a method for coloring keratin fibers comprising the steps of sequentially applying to the fibers, in any order, at least one mixable composition and at least one pigmented composition, wherein upon application the mixable composition mixes and combines with the pigmented composition in the wet state to form a final mixed composition that upon drying forms a compatible and homogeneous film.
