Abstract: The disclosure relates to compositions for altering the color of keratin fibers and methods of using the compositions. The compositions comprise (a) a bonding system comprising (i) at least one first bonding agent chosen from alpha-hydroxy acids comprising at least three hydrogen donor carboxyl groups and/or salts thereof; (ii) at least one second bonding agent chosen from glycine and/or salts thereof; and (iii) optionally, at least one third bonding agent chosen from amino sulfonic acids and/or salts thereof; (b) at least one fatty alcohol; (c) at least one fatty acid; (d) at least one alkyl polyglucoside; (e) at least one alkalizing agent; and (f) at least one solvent. The compositions can further comprise one or more oxidation dyes, couplers, oxidizing agents, or combinations thereof.

Abstract: The disclosure relates to hair color base compositions comprising an alkoxylated fatty alcohol, a fatty acid, a fatty alcohol, a buffer system, and optionally a thickening agent and/or colorant compound, hair color altering compositions comprising the hair color base, and kits and methods for altering the color of keratinous fibers such as hair.

Abstract: The disclosure relates to hair color base compositions comprising an alkoxylated fatty alcohol, a fatty acid, a fatty alcohol, a buffer system, and optionally a thickening agent and/or colorant compound, hair color altering compositions comprising the hair color base, and kits and methods for altering the color of keratinous fibers such as hair.