IP Library › Granted Patent US 12,403,085
Granted Patent B2
US 12,403,085 · App. 17/815,268 · Granted Sep 2, 2025

Hair coloring with coconut oil

Inventors: Jeeba Thomas (Morris Plains, NJ); Amer Alkahwaji (Hoboken, NJ); Wonhee Park (Teaneck, NJ)
Assignee: L'OREAL
A61K8/92A61K8/22A61K8/41A61K8/49A61K8/4973A61K8/737A61Q5/10A61K2800/43A61K2800/48A61K2800/5426
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Quick Facts
Patent No.
US 12,403,085
App. No.
17/815,268
Granted
Sep 2, 2025
Kind
B2
Abstract

The instant disclosure relates to hair coloring base compositions containing coconut oil, ready-to-use hair coloring compositions containing coconut oil, and methods for coloring hair. The hair coloring base composition includes: (a) coconut oil; (b) one or more oils other than coconut oil; (c) one or more alkalizing agents; (d) one or more oxidative dye precursors and/or couplers; (e) one or more surfactants; (f) one or more thickening agents; and (g) water. The hair coloring base compositions, the ready-to-use hair coloring compositions, and the methods provide vibrant and durable color to the hair while imparting moisturizing, styling, and anti-frizz properties to the hair; and are particularly useful for curly and very curly hair types.

Claims (69)

1. A hair coloring base composition comprising:

(a) about 0.8 to about 2 wt. % of coconut oil;

(b) about 50 to about 75 wt. % of one or more oils other than coconut oil chosen from ester oils, silicone oils, fluoro oils, vegetable oils, animal oils, hydrocarbon-based oils, or combinations thereof;

(c) about 1 to about 15 wt. % of one or more alkanolamines;

(d) one or more oxidative dye precursors and/or couplers;

(e) about 1 to about 10 wt. % of one two or more surfactants, wherein the two or more surfactants include:

(e)(i) about 1 to 8 wt. % of one or more of nonionic surfactants; and

(e)(ii) about 0.1 to about 4 wt. % of one or more anionic surfactants;

(f) about 0.1 to about 5 wt. % of one or more thickening agents; and

(g) about 10 to about 50 wt. % of water;

wherein all percentages by weight are based on a total weight of the hair coloring base composition.

2. The hair coloring base composition of claim 1 , wherein the one or more oxidative dye precursors and/or couplers of (d) are selected from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, toluene-2,5-diamine and heterocyclic bases, the addition salts thereof, or combinations thereof.

3. The hair coloring composition of claim 1 , wherein the one or more thickening agents of (f) are selected from carboxylic acid polymers, crosslinked polyacrylate polymers, polyacrylamide polymers, polysaccharides, gums, or combinations thereof.

4. The hair coloring composition of claim 3 , wherein the one or more thickening agents of (f) are selected from nonionic guar gums, modified guar gums, or combinations thereof.

5. The hair coloring composition of claim 4 , wherein the one or more thickening agent of (f) is selected from hydroxyalkylated guar gums.

6. The hair coloring composition of claim 1 , wherein the water of (g) is in an amount of from about 10 wt. % to about 40 wt. %.

7. The hair coloring base composition of claim 1 , wherein the one or more oxidative dye precursors and/or couplers are in an amount from about 0.01 to about 5 wt. %.

8. The hair coloring base composition of claim 1 , further comprising one or more reducing agents.

9. The hair coloring base composition of claim 8 , wherein the one or more reducing agents are chosen from potassium metabisulfite, potassium sulfite, sodium hydrosulfite, sodium metabisulfite, sodium sulfite, sodium bisulphite, thioglycolic acid, thiolactic acid, thioglycerin, dehydroascorbic acid, a salt thereof, and a mixture thereof.

10. The hair coloring base composition of claim 1 , further comprising one or more miscellaneous ingredients selected from preservatives, fragrances, pH further adjusters, salts, chelating agents, buffers, antioxidants, flavonoids, vitamins, botanical extracts, UV filtering agents, proteins, protein hydrolysates, protein isolates, fillers, composition colorants, cationic polymers, thickening agents, or mixtures thereof.

11. A kit comprising:

(i) one or more hair coloring base compositions of claim 1 ; and

(ii) one or more developer compositions comprising:

(a) one or more oxidizing agents; and

(b) water;

wherein the one or more hair coloring base compositions of (i) and the one or more developer compositions of (ii) are separately contained.

12. A ready-to-use hair coloring composition comprising a mixture of:

(i) the hair coloring base composition of claim 1 ; and

(ii) a developer composition comprising:

(a) one or more oxidizing agents; and

(b) water;

wherein the hair coloring base composition of (i) and the developer composition of (ii) are mixed in a ratio of about 5:1 to 1:5.

13. The ready-to-use hair coloring composition of claim 12 , whereby at least one of curl definition, curl regularity, and discipline is improved upon being applied to curly or very curly hair as compared to using a ready-to-use hair coloring composition that does not contained the claimed amounts of coconut oil.

14. The hair coloring base composition of claim 1 , which comprises (b) about 55 to about 75 wt. % of one or more oils other than coconut oil; (g) about 10 to about 40 wt. % of water; wherein the composition has a pH of about 9 or higher, and has a viscosity of about 25 to about 150 cps at 25° C. using a #1 spindle at 100 rpm.

15. The hair coloring base composition of claim 14 , which comprises (a) about 1.2 to about 2 wt. % of coconut oil.

16. The hair coloring base composition of claim 1 , which comprises (a) about 1.2 to about 2 wt. % of coconut oil.

17. The hair coloring base composition of claim 1 , further comprising one or more reducing agents selected from the group consisting of thioglycolic acid, thiolactic acid, thioglycerin, salts thereof, and mixtures thereof.

18. The hair coloring base composition of claim 1 , further comprising one or more reducing agents selected from the group consisting of thioglycerin and salts thereof.

19. The hair coloring base composition of claim 1 , wherein the one or more oils other than coconut oil comprise at least one member selected from the group consisting of hexane, cyclohexane, undecane, dodecane, isododecane, tridecane, perfluorohexane, mineral oil and liquid petroleum jelly.

20. The hair coloring base composition of claim 1 , which comprises (a) about 0.9 to about 1.8 wt. % of coconut oil.

21. A hair coloring base composition comprising:

(a) about 0.8 to about 2 wt. % of coconut oil;

(b) about 50 to about 75 wt. % of mineral oil;

(c) about 1 to about 10 wt. % of one or more alkanolamines;

(d) one or more oxidative dye precursors and/or couplers;

(e) about 1 to about 15 wt. % of two or more surfactants, wherein the two or more surfactants include:

(e)(i) about 1 to 10 wt. % of one or more of nonionic surfactants; and

(e)(ii) about 0.1 to about 5 wt. % of one or more anionic surfactants;

(f) about 0.1 to about 5 wt. % of one or more thickening agents selected from nonionic guar gum, modified guar gum, or combinations thereof,

(g) about 10 to about 50 wt. % of water; and

(h) one or more reducing agents;

wherein the composition has a pH of about 9 or higher, and

all percentages by weight are based on a total weight of the hair coloring base composition.

22. A method for coloring curly or very curly hair comprising:

(i) obtaining the hair coloring base composition of claim 21 ;

(ii) obtaining a developer composition comprising:

(a) one or more oxidizing agents; and

(b) water;

(iii) mixing the hair coloring base composition of (i) and the developer composition of (ii) in a weight ratio of about 1:5 to about 5:1 to form a ready-to-use hair coloring composition; and

(iv) applying the ready-to-use hair coloring composition to hair;

(v) allowing the ready-to-use hair coloring composition to remain on the hair for a period of time of about 1 minute to about 60 minutes; and

(vi) after the period of time, rinsing the ready-to-use hair coloring composition from the hair;

thereby improving at least one of curl definition, curl regularity, and discipline as compared to using a ready-to-use hair coloring composition that does not contained the claimed amounts of coconut oil.

23. The hair coloring base composition of claim 21 , wherein the (c) one or more alkanolamines comprises ethanolamine.

24. The hair coloring base composition of claim 21 , wherein the one or more oxidative dye precursors and/or couplers of (d) are selected from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, toluene-2,5-diamine and heterocyclic bases, the addition salts thereof, or combinations thereof.

25. The hair coloring base composition of claim 21 , wherein the (e)(i) one or more of nonionic surfactants are selected from the group of decylglucoside, caprylyl/capryl glucoside, laurylglucoside, coco-glucoside, cetostearyl glucoside, arachidyl glucoside, cocoylethylglucoside, PEG-7 glyceryl cocoate, PEG-20 methylglucoside sesquistearate, PEG-20 glyceryl tri-isostearate, PG-5 dioleate, PG-4 diisostearate, PG-10 isostearate, PEG-8 isostearate, and PEG-40 hydrogenated castor oil, and combinations thereof, and the (e)(ii) one or more anionic surfactants are selected from the group of sodium dodecyl sulfate and sodium lauryl sulfate and combinations thereof.

26. The hair coloring base composition of claim 21 , wherein the (e)(i) one or more of nonionic surfactants are selected from the group of coco-glucoside and PEG-40 hydrogenated castor oil, and combinations thereof; and the (e)(ii) one or more anionic surfactants comprises sodium lauryl sulfate.

27. The hair coloring base composition of claim 21 , wherein the (c) one or more alkanolamines comprises ethanolamine; the one or more oxidative dye precursors and/or couplers of (d) are selected from para-phenylenediamines, bis(phenyl)alkylenediamines, para-aminophenols, ortho-aminophenols, toluene-2,5-diamine and heterocyclic bases, the addition salts thereof, or combinations thereof, and the (e)(i) one or more of nonionic surfactants are selected from the group of coco-glucoside and PEG-40 hydrogenated castor oil, and combinations thereof; and the (e)(ii) one or more anionic surfactants comprises sodium lauryl sulfate.

28. The hair coloring base composition of claim 21 , which has a viscosity of about 25 to about 150 cps at 25° C. using a #1 spindle at 100 rpm.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 15, 2022
From: THOMAS, JEEBA; ALKAHWAJI, AMER; PARK, WONHEE
To: L'OREAL
Reel/Frame 061776/0565 →
Continuity (1)
Related Publication 20240041751A1 · Feb 8, 2024
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