Compositions for altering the color of hair

A composition for altering the color of the hair, comprising:

• (a) a hair treatment composition comprising:
• monoethanolamine;
• at least one carboxylic acid chosen from maleic acid and salts thereof;
• and
• at least one solvent chosen from water, cosmetically acceptable organic solvents, and combinations thereof,
• wherein the monoethanolamine is present in an amount ranging from about 4% to about 10% by weight, based on the weight of the hair treatment composition;
• and
• wherein the at least one carboxylic acid chosen from maleic acid and salts thereof is present in an amount ranging from about 5% to about 25% by weight, based on the weight of the hair treatment composition;
• and
• (b) at least one bleaching agent, at least one colorant compound, or combinations thereof.

A method of treating the hair, said method comprising applying to the hair a treatment hair composition comprising:

• monoethanolamine;
• at least one carboxylic acid chosen from maleic acid and salts thereof;
• and
• at least one solvent chosen from water, cosmetically acceptable organic solvents, and combinations thereof,
• wherein the monoethanolamine is present in an amount ranging from about 4% to about 10% by weight, based on the weight of the hair treatment composition;
• and
• wherein the at least one carboxylic acid chosen from maleic acid and salts thereof is present in an amount ranging from about 5% to about 25% by weight, based on the weight of the hair treatment composition.

A method for altering the color of the hair, said method comprising applying to the hair:

• (a) a hair treatment composition comprising:
• monoethanolamine;
• at least one carboxylic acid chosen from maleic acid and salts thereof;
• and
• at least one solvent chosen from water, cosmetically acceptable organic solvents, and combinations thereof,
• wherein the monoethanolamine is present in an amount ranging from about 4% to about 10% by weight, based on the weight of the hair treatment composition;
• and
• wherein the at least one carboxylic acid chosen from maleic acid and salts thereof is present in an amount ranging from about 5% to about 25% by weight, based on the weight of the hair treatment composition;
• and
• (b) a color-altering composition comprising at least one bleaching agent, at least one colorant compound, or combinations thereof.