Hair styling oil

Details Hair styling oil Hair styling oil

2000-05-24

2002-04-09

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

C424S070110, C424S070190

Reexamination Certificate

active

06368581

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject matter of the present invention is a hair treatment agent, which has the consistency of a hair oil without containing hydrophobic ingredients and which contains a fatty acid glyceride polyalkylene glycol ether with at least 30 alkylene glycol units or a fatty acid partial glyceride polyalkylene glycol ether with at least 30 alkylene glycol units, an additional nonionic surfactant and a thickener.
2. Prior Art
Research has been performed for a longtime in the field of hair treatment compositions in the form of oils, which make styling easier and increase the luster and hold of the hairstyle. Normally hydrophobic oils in the usual sense, i.e. natural, animal or vegetable oils, mineral oils, higher hydrocarbon substances (e.g. paraffins), synthetic oils or silicone oils, have been used to obtain the desired shaping and luster-producing properties. The problem with this type of oil is the high hair loading and the poor washability of these hydrophobic substances. The problem of stabilizing the formulation arises with aqueous preparations, which tend to separate into aqueous and lipophilic phases.
It is also possible to use nonionic surfactants, such as fatty alcohol ethoxylates and fatty acid ethoxylates, such as luster and shaping agents. The nonionic surfactants do not facilitate improved hair feel and hair luster, which the user expects from hair oils. The use of high proportions of non-aqueous solvents, such as higher alcohols, glycerol or polyethylene glycols of course improves the luster, but impairs the shaping of the treated hair.
SUMMARY OF THE INVENTION
It is thus an object of the present invention to provide a hair treatment composition with the consistency and positive application properties of a hair oil, which however does not have negative properties that produce a high content of hydrophobic substances. Especially the composition should increase the stylability, the control and the luster of the hair and be easy to handle, and satisfactorily worked into the hair and again washable from the hair.
This object is attained by using a special highly ethoxylated nonionic surfactant, which already leads in small amounts to a composition, which has the expected action of an oil, but may be easily worked into the hair and imparts good stylability and long-lasting luster to the hairstyle as well as providing a soft feel to the hair. Surprisingly it has been found that the composition according to the invention has the expected characteristics of an oil, although its principal ingredient is not an oil and the composition is again easily washed from the air without leaving a residue.
The hair treatment composition of the invention with the Theological properties of an oil thus includes non-hydrophobic ingredients and comprises:
(A) at least one fatty acid glyceride polyalkylene glycol ether or a fatty acid partial glyceride polyalkylene glycol ether with at least 30 alkylene glycol units;
(B) at least one additional surfactant different from the surfactants of (A); and
(C ) at least one thickener,
and the composition is free of ingredients, which cause foaming of the composition prior to or during use. The partial glycerides can be mono- or diglycerides or a mixture of mono- and diglycerides. Non-hydrophobic ingredients in the sense of this application especially are hydrophilic and amphiphilic ingredients. The hair treatment composition according to the invention contains anionic, cationic or amphoteric surfactants at must up to an amount below which no foaming occurs when the composition is worked into the hair and which is free of propellants or mechanical devices, which cause foaming of the product during application.
The subject matter of the invention also includes a method of using a fatty acid glyceride polyalkylene glycol ether or a fatty acid partial glyceride polyalkylene glycol ether with 30 to 1000 alkylene glycol units to make a hair treatment composition with the rheological properties of an oil.
The term “rheological properties” of an oil in the sense of the present invention means the consistency, which is more viscous than water but in contrast to a gel free-flowing and without a permanent shape, i.e. flows off an inclined surface at a temperature of about 25° C. The viscosity amounts to preferably from 200 to 4000 m
2
/s at 25° C., especially preferably from 1000 to less than 4000 at 25° C. measured with a Haake VT-550 rotation viscometer and a Schergradient of 100 s
−5
.
The composition according to the invention contains ingredient (A) preferably in an amount of from 0.1 to 30 percent by weight, especially preferably from 0.3 to 20 or 0.5 to 12 percent by weight. Ingredient (A) is selected from compounds of the formula (I):
R
1
—(OA)
x
—O—CH
2
—CH[O—(AO)y-R
2
]—CH
2
—O—(AO)
z
—R
3
  (I),
wherein R
1
, R
2
and R
3
are each, independently of each other, hydrogen or a saturated or unsaturated, branched or non-branched C
6
- to C
22
-acyl groups, which, if necessary, can be substituted with one or more hydroxy group, wherein at least one of the substituents R
1
, R
2
and R
3
is one of the saturated or unsaturated, branched or non-branched C
6
- to C
22
-acyl groups; A is an alkylene group with two or three carbon atoms; x, y and z are numbers between 0 and 1000, and the sum x+y+z is from 30 to 1000, preferably from 30 to 500, especially preferably from 70 to 250. Compounds are especially preferred in which R
1
is hydrogen, R
2
is selected from the group consisting of H and a C
6
- to C
22
-acyl group and R
3
is C
6
- to C
22
-acyl group, A is an ethylene group and x and y equal 0.
Examples of compounds that are suitable as ingredient (A) include polyethylene glycol (30)-glyceryl cocoate, polyethylene glycol (80)-glyceryl cocoate, polyethylene glycol (80)-glyceryl tallowate, polyethylene glycol (120)-glyceryl stearate, polyethylene glycol (200)-glyceryl stearate, polyethylene glycol (200)glyceryl tallowate, hydrogenated polyethylene glycol (200)-glyceryl palmitate. Polyethylene glycol (200)-glyceryl palmitate is especially preferred.
Ingredient (B) of the composition of the invention is at least one additional, preferably nonionic, surfactant in an amount of preferably from 0. 1 to 30 percent by weight, especially preferably from 0.5 to 20 percent by weight. The kind and amount of the surfactants are selected so that the composition according to the invention does not produce a foam either when it is dispensed from its container or when it is applied and worked into the hair. A nonionic, anionic, cationic or amphoteric surfactant can be used, but the nonionic surfactants are especially preferred. Suitable nonionic surfactants include, e.g., ethoxylated fatty acids with 10 to 26 carbon atoms, ethoxylated fatty alcohols with 10 to 26 carbon atoms, alkoxylated fatty acid esters, ethoxylated hydrogenated or non-hydrogenated caster oil, glyceride alkoxylates, fatty acid glyceride polyalkylene glycol ether or fatty acid partial glyceride polyalkylene ether with less than 30 alkylene glycol units respectively, for example polyethylene glycol (7)-glyceryl cocoate, polyglycol amides, ethoxylated or non-ethoxylated fatty acid polyol esters and alkyl polyglycosides. The degree of ethoxylation of the ethoxylated surfactants is preferably greater than 3.
Examples of suitable fatty alcohol ethoxylates include ethoxylated lauryl-, tetradecyl-, cetyl-, oleyl- or stearyl alcohol, which can be used alone or in mixtures with each other, or ethoxylated lanolin. Suitable ethoxylated fatty acids include for example polyethylene glycol (75)-laurate, polyethylene glycol(90)-stearate, polyethylene glycol(120)-stearate, polyethylene glycol(120)-propylene glycol stearate, polyethylene glycol(150)-dilaurate or polyethylene glycol(175)-distearate.
Suitable polyesters include, e.g., ethoxylated and non-ethoxylated sugar esters, sorbitol esters and glycerol esters. Ethoxylated sorbitan fatty acid esters with the INCI-name polysorbate, non-ethoxylated sorbitan esters, such as sorbitan

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