Multi-component packaging unit for oxidatively dyeing keratin fibers, having reduced ammonia odor

1. A multi-component packaging unit that is a kit-of-parts for the oxidative coloring of keratinic fibers, wherein the multi-component packaging unit comprises:

a preparation (A) and a preparation (B), wherein preparations (A) and (B) are packaged separate from one another, and wherein;

(a) preparation (A) comprises:

a cosmetic carrier

(a1) at least one oxidation dye precursor and

(a2) ammonia,

and

(b) preparation (B) comprises:

a cosmetic carrier

(b1) hydrogen peroxide,

(b2) at least one fatty alcohol from the group comprising arachidyl alcohol (eicosan-1-ol), gadoleyl alcohol ((9Z)-eicos-9-en-1-ol), arachidonyl alcohol ((5Z,8Z,11Z,14Z)-eicosa-5,8,11,14-tetraen-1-ol), heneicosyl alcohol (heneicosan-1-ol), behenyl alcohol (docosan-1-ol), erucyl alcohol ((13Z)-docos-13-en-1-ol), and/or brassidyl alcohol ((13E)-docosen-1-ol), and

(b3) one or more of paraffin oil(s) and paraffin wax(es) having 8 to 80 C atoms in a total amount of 0.1 to 4.5% by weight based on the total weight of preparation (B); and

(b4) at least one ethoxylated fatty alcohol of the formula (I),

wherein

R1 is an unbranched or branched, saturated or unsaturated C 12 -C 28 alkyl group, and

n is an integer from 80 to 120; and

wherein a weight ratio of (b2) to (b4) is from 5:1 to 1:1.

2. The multi-component packaging unit according to claim 1 , wherein :

the at least one fatty alcohol (b2) comprises arachidyl alcohol (eicosan-1-ol) in a total amount of 0.2 to 6.4% by weight based on the total weight of preparation (B).

3. The multi-component packaging unit according to claim 1 , wherein preparation (B) includes as (b3) the one or more of paraffin oil(s) and paraffin wax(es) in a total amount of 0.4 to 4.5% by weight based on the total weight of preparation (B).

4. The multi-component packaging unit according to claim 1 , wherein preparation (B) includes the at least one fatty alcohol (b2) and the one or more of paraffin oil(s) and paraffin wax(es) (b3) in a weight ratio (b2)/(b3) of from 3:1 to 2:1.

5. The multi-component packaging unit according to claim 1 , wherein:

a weight ratio of (b3) to (b4) is from 2:1 to 1:1; and

the weight ratio of (b2) to (b4) is from 3:1 to 2:1.

6. The multi-component packaging unit according to claim 1 , wherein preparation (B) includes the at least one ethoxylated fatty alcohol (b4) of the formula (I) in a total amount of 0.1 to 5.5% by weight based on the total weight of preparation (B).

7. The multi-component packaging unit according to claim 1 , wherein preparation (A) is free of ethoxylated fatty alcohols of the formula (I).

8. The multi-component packaging unit according to claim 1 , wherein composition (B) includes the at least one fatty alcohol (b2) and the at least one ethoxylated fatty alcohol (b4) of the formula (I) in the weight ratio (b2)/(b4) of from 3:1 to 2:1, a weight ratio of (b3) to (b4) is from 2:1 to 1:1, and a weight ratio of (b2) to (b3) is from 3:1 to 2:1.

9. The multi-component packaging unit according to claim 1 , wherein composition (B) includes the one or more of paraffin oil(s) and paraffin wax(es) (b3) and the at least one ethoxylated fatty alcohol (b4) in a weight ratio (b3)/(b4) of 5:1 to 1:5.

10. The multi-component packaging unit according to claim 1 , wherein preparation (A) is free of alkanolamines.

11. The multi-component packaging unit according to claim 1 , wherein

preparation (A) includes no oxidizing agent and

preparation (B) includes no other oxidizing agent apart from hydrogen peroxide.

12. A method for the oxidative coloring of keratinic fibers, comprising, in the indicated sequence:

(i) mixing two preparations (A) and (B), packaged separate from one another, of a multi-component packaging unit to form a ready-to-use oxidative coloring agent, wherein;

preparation (A) comprises:

a cosmetic carrier;

(a1) at least one oxidation dye precursor; and

(a2) ammonia (a2);

and

preparation (B) comprises;

a cosmetic carrier;

(b1) hydrogen peroxide;

(b2) at least one fatty alcohol from the group comprising arachidyl alcohol (eicosan-1-ol), gadoleyl alcohol ((9Z)-eicos-9-en-1-ol), arachidonyl alcohol ((5Z,8Z,11Z,14Z)-eicosa-5,8,11,14-tetraen-1-ol), heneicosyl alcohol (heneicosan-1-ol), behenyl alcohol (docosan-1-ol), erucyl alcohol ((13Z)-docos-13-en-1-ol), and/or brassidyl alcohol ((13E)-docosen-1-ol);

(b3) one or more of paraffin oil(s) and paraffin wax(es) having 8 to 80 C atoms in a total amount of 0.1 to 4.5% by weight based on the total weight of preparation (B); and

(b4) at least one ethoxylated fatty alcohol of the formula (I),

wherein

R1 is an unbranched or branched, saturated or unsaturated C 12 -C 28 alkyl group, and

n is an integer from 80 to 120; and

wherein a weight ratio of (b2) to (b4) is from 5:1 to 1:1;

(ii) applying the oxidative coloring agent to keratinic fibers for a time period of 1 to 60 minutes, and

(iii) rinsing off of the oxidative coloring agent.

13. The method according to claim 12 , wherein

preparations (A) and (B) are mixed together in step (i) for a time period of 5 to 60 seconds.

14. The method according to claim 12 , wherein there is a time period of 20 seconds to 5 minutes between the mixing of preparations (A) and (B) in step (i) and the start of the application in step (ii).