Nacreous colorant for keratin fibers

1. A dye carrier composition with a nacreous luster, said dye carrier composition containing oxidative dyes and/or nonoxidative dyes, and a combination of:

(a) from 6.1 to 20 weight percent of at least one fatty alcohol with 14 to 20 carbon atoms,

(b) from 6.1 to 20 weight percent of at least one alkanolamide,

(c) from 0.1 to 15 weight percent of at least one fatty alcohol alkoxylate or fatty acid alkoxylate, and

(d) from 0.1 to 15 weight percent of at least one anionic surfactant; wherein a weight ratio of said fatty alcohol to said alkanolamide is from 0.5:2 to 2:0.5.

2. The dye carrier composition as defined in claim 1 , wherein said weight ratio of said fatty alcohol to said alkanolamide is from 0.8:1.2 to 1.2:0.8.

3. The dye carrier composition as defined in claim 1 , wherein a weight ratio of said alkoxylate to said anionic surfactant is from 0.5:2 to 2:0.5.

4. The dye carrier composition as defined in claim 1 , wherein said fatty alcohol is selected from the group consisting of cetyl alcohol, stearyl alcohol, myristyl alcohol, isooctyl alcohol, isotridecyl alcohol and mixtures thereof.

5. The dye carrier composition as defined in claim 1 , wherein said at least one alkanolamide is selected from the group consisting of N-acyl derivatives of monoethanolamine and N-acyl derivatives of diethanolamine.

6. The dye carrier composition as defined in claim 1 , wherein said alkoxylate consists of at least one ethoxylated fatty alcohol of formula (I):

CH 3 (CH 2 )—X—O—(R y )—H  (I),

wherein R=—(CH2—CH2—O)—or —(CH3—CH—CH2—O)—, and X represents C 8 -C 18 and y denotes 2 to 300.

7. The dye carrier composition as defined in claim 1 , wherein said at least one anionic surfactant is selected from the group consisting of carboxylic acid salts, carboxylic acid esters, alkyl ether sulfates, alkyl sulfates, fatty alcohol ether sulfates, sulfonic acids, salts of sulfonic acids, phosphate esters, phosphate salts, acylamino acids and salts of acylamino acids.

8. The dye carrier composition as defined in claims 1 , containing a total amount of from 7 to 12 weight percent of each of said fatty alcohol, said alkanolamide, said alkoxylate, and said anionic surfactant.

9. The dye carrier composition as defined in claim 1 , and free of monomeric quaternary ammonium compounds and free of cationic emulsifiers and surfactants.

10. The dye carrier composition as defined in claims 1 , containing from 0.1 to 10 weight percent of ethylene glycol distearate.

11. An agent for oxidative coloring of hair obtained by mixing a dye carrier composition with an oxidant;

wherein said dye carrier composition contains oxidative dyes and/or nonoxidative dyes, and a combination of:

(a) from 6.1 to 20 weight percent of at least one fatty alcohol with 14 to 20 carbon atoms,

(b) from 6.1 to 20 weight percent of at least one alkanolamide,

(c) from 0.1 to 15 weight percent of at least one fatty alcohol alkoxylate or fatty acid alkoxylate, and

(d) from 0.1 to 15 weight percent of at least one anionic surfactant; wherein a weight ratio of said fatty alcohol to said alkanolamide is from 0.5:2 to 2:0.5.

12. The agent as defined in claim 11 , wherein said oxidant is hydrogen peroxide.

13. A method of making a dye carrier composition or a colorant for keratin fibers with a nacreous luster, said method comprising the step of including in said dye carrier composition a combination of:

(a) from 6.1 to 20 weight percent of at least one fatty alcohol with 14 to 20 carbon atoms,

(b) from 6.1 to 20 weight percent of at least one alkanolamide,

(c) from 0.1 to 15 weight percent of at least one fatty alcohol alkoxylate or fatty acid alkoxylate, and

(d) from 0.1 to 15 weight percent of at least one anionic surfactant; wherein a weight ratio of said at least one fatty alcohol to said at least one alkanolamide (b) is from 0.5:2 to 2:0.5.