GB2122082A

GB2122082A - Sprayable hair setting composition

Info

Publication number: GB2122082A
Application number: GB08311808A
Authority: GB
Inventors: Luis A Morales; William Neumann
Original assignee: POSNER LAB Inc
Current assignee: POSNER LAB Inc
Priority date: 1982-06-15
Filing date: 1983-04-29
Publication date: 1984-01-11
Also published as: ZA832193B; FR2528309A1; GB8311808D0

Abstract

A sprayable aqueous solution of a water soluble reactive polyamide- epichlorohydrin resin and protein in a weight ratio of about 5:1 to 1:5 improves the resistance of hair, particularly negroid hair which has undergone a chemical or thermal straightening procedure, to reversion under high humidity conditions without imparting a rough, dry or crinkly feeling to the hair.

Description

SPECIFICATION Sprayable hair setting composition Background of the invention Setting hair by the use of sprays or lotions is temporary in nature as opposed to sets induced by permament wave. The ingredients in such sprays or lotions are of necessity water sensitive to some degree and under conditions of high humidity, the hair will undergo reversion or "frizzing".

Hair, particularly negroid hair which has undergone a chemical or thermal straightening procedure, is particularly susceptible to reversion when exposed to prolonged contact with high humidity. There are numerous setting lotions that are commercially available which can be applied to the hair to provide water resistance, i.e.

resistance to relaxation. Those lotions, however, also impart a rough, dry or crinkly feeling to the hair which many individuals find objectionable.

Patel in U.S. Patent 4,007,005 teaches a hair setting composition which displays resistance to high humidity which is an aqueous solution of water soluble reactive polyamide-epichlorohydrin resins and vinyl pyrrolidone polymers in a ratio of about 1:2 to 2:1 and a total solids content of resin and polymer from about 1 to about 5%. The composition also can contain other ingredients well known to be contained in hair setting sprays and lotions, such as perfumes, proteins, hair conditioners, plasticizers and the like, in addition to the vinyl pyrrolidone polymer.

Curry et al in U.S. Patent 3,966,087 teaches an aerosol hair setting preparation containing a film-forming resin such as Polycup 171, a polyamide, epichlorohydrin condensate and a minor amount of a propellant dissolved in water.

This patent also mentions that it is possible to include other additives which are customary in cosmetics.

Vanlerberghe et al, U.S. 4,172,887 teaches cosmetic compositions for the hair which contain a water soluble cross-linked polymer which can be obtained by crosslinking a polyaminopolyamide with a crosslinking agent which is used as a hair conditioner composition so as to improve the condition of moist and dry hair and to facilitate such operations as combing and setting the hair.

The invention is directed to A sprayable hair setting composition consisting essentially of an aqueous solution of a water soluble reactive polyamide-epichlorohydrin resin and protein in a weight ratio of about 5:1 to 1:5.

It is the object of this invention to provide a hair setting composition which will provide the desired resistance to reversion of the hair, particularly negroid hair which has undergone a chemical or thermal straightening procedure, and which will not impart a rough, dry or crinkly feeling to the hair so treated. This and other objects of the invention will become apparent to those skilled in this art from the following detailed description.

Summary of the invention This invention relates to a sprayable hair setting composition, particularly useful in connection with negroid hair which has undergone a chemical or thermal straightening procedure, which will prevent or reduce the reversion to which such hair is susceptible when exposed to prolonged contact with high humidity and which will not impart a rough, dry or crinkly feeling to the hair. More particularly, the sprayable hair setting composition of the present invention consists essentially of an aqueous solution of a water soluble reactive polyamideepichlorohydrin resin and protein in a weight ratio of about 5:1 to 1:5.

Detailed description The sprayable hair setting composition of the present invention consists essentially of an aqueous solution of a water soluble reactive polyamide-epichlorohydrin resin and protein in a weight ratio of about 5:1 to 1:5. Upon evaporation of the aqueous solvent, the resin and protein dry to form a water insoluble film which imparts resistance to reversion of the hair under conditions of high temperature and humidity without imparting a rough, dry or crinkly feeling to the hair. Neither the resin nor the protein, when used individually, will prevent reversion under the high humidity conditions.

The water soluble reactive polyamideepichlorohydrin resins are resins derived from the reaction of epichlorohydrin with a polyamide polymer obtained by reaction of a polyalkylene polyamide with a saturated dicarboxylic acid.

Such resins have the general formula:

in which R is an alkyl group of 1 to about 6 carbon atoms, R1 and R2 are independently alkyl groups of at least 2 and preferably 2 to about 4 carbon atoms, and n is the number of repeating units in the molecule. Each alkyl group can be straight or branched chained. In the resin, the chlorine may be replaced by other anions, such as phosphate, which do not alter the reactive nature of the cationic thermosetting resins.

The preparation of the water soluble reactive polyamide-epichlorohydrin resins are described in detail in U.S. Patent 3,227,615 which is incorporated herein by reference. Such water soluble reactive polyamide-epichlorohydrin resins are commercially available and it is presently preferred to use Delsette 101, a 10% aqueous solution of a water soluble reactive polyamideepichlorohydrin resin manufactured and sold by Hercules Powder Company.

Any of the proteins which have been heretofore used in hair setting sprays and lotions can be used in the sprayable hair setting composition of the present invention. It is presently preferred to employ a hydrolyzed collagen having an average molecular weight of about 25,000 as the protein component. While lower molecular weight hydrolyzed collagen, for example, of about 5,000 molecular weight, can also be employed, better results have been achieved with the hydrolyzed collagen of about 25,000 molecular weight. The protein component of the composition is commercially available.

The protein and the water soluble reactive polyamide-epichlorohydrin used are employed at a weight ratio of about 5:1 to 1:5, preferably about 2:1 to 1:2 and most preferably at 1:1. The water soluble reactive polyamide-epichlorohydrin resin and protein are each generally employed in an amount of about 0.05-5 weight percent based on the total weight of the composition. Preferably the amount of each is less than 0.5 percent and is most preferably in the range of 0.1 to 0.25 percent. The water soluble reactive polyamideepichlorohydrin resin and the protein are water soluble.When used together in a weight ratio of about 5:1 to 1:5, they form an aqueous solution without undissolved solids yet dry to form a water insoluble film which retards relaxation under high humidity conditions without causing the hair to which they are applied to become rough, dry or crinkly.

The solvent of the sprayable hair setting composition of the present invention is preferably water but mixtures of water with a miscible organic solvent such as ethanol can also be employed. The solvent is generally at least 90% of the composition and is preferably at least 98% of the composition.

The sprayable hair setting composition of the present invention can also include other additives which are customary in cosmetics such as perfumes, dyestuffs, glossing agents such as silicones, preservatives such as chloroalkyl methanamine chloride, cationic products to facilitate disentangling, nonionic products to provide peptization of the perfumes, urea to facilitate penetration into the hair fiber and antiseborrhoeic products.

The sprayable hair setting composition of the present invention is prepared by dissolving the protein in a portion of the water which often requires the use of slightly elevated temperatures of about 35-400C. The water soluble reactive polyamide-epichlorohydrin resin, and any other additives which may be employed, are dissolved in the balance of the solvent and then the protein solution is added with mixing.

The most convenient method of applying the compositions of the invention to the hair is to use a non-aerosol spray in which the composition is dispensed from a container by the action of a finger actuated pump. The composition can be applied to wet or dry hair after shampooing.

When applied to pressed hair, the composition is preferably used as a part of the pressing process, i.e. simultaneously with the application of the pressing oil and before use of the pressing comb.

In order to further illustrate the invention, various examples are set forth below. In these examples, as well as throughout this specification and claims, all parts and percentages are by weight and all temperatures in degrees Centigrade unless otherwise indicated.

Example 1 A protein solution was prepared by mixing 0.175 part of a hydrolyzed collagen having an average molecular weight of about 25,000 with 10 parts of water at about 400C with aggitation.

Separately, 1.75 parts of Delsette 101 (containing 0.175 part of a water soluble reactive polyamide-epichlorohydrin resin and 1.575 parts water) 0.15 part perfume and 0.2 part preservative were dissolved in 87.725 parts of water. The protein solution was then added to the resin solution at room temperature with aggitation.

Example 2 Example 1 was repeated except that the protein used was a hydrolyzed collagen having an average molecular weight of about 5,000.

Example 3 Example 1 is repeated except that the amount of protein is increased to 0.2 part.

Example 4 Example 1 is repeated except that the amount of polyamide-epichlorohydrin resin is increased to 0.2 part.

Example 5 Two hair setting compositions were prepared following the procedure of Example 1 except that either the protein or the water soluble reactive polyamide-epichlorhydrin resin were omitted. The resulting two compositions and the sprayable hair setting composition of Example 1 were then individually sprayed on a glass plate and aliowed to dry. Thereafter, tap water was applied to the glass plate. It was observed that the compositions which contained either the resin or the protein alone dissolved in the water, while the composition of Example 1 which contained both the resin and the protein did not dissolve.

Example 6 The three compositions employed in Example 5 were applied to swatches of human hair. It was noted that the swatches treated with the, composition of Example 1 did not have a rough, dry or crinkly feel while the swatches to which had been applied the composition containing the resin did have a rough, dry or crinkly feeling and the swatches to which the protein composition had been applied had a sticky feel. The swatches were then placed in a controlled humidity chamber having a relative humidity of about 95% and a temperature of about 80 F. Reversion or frizzing of the swatches which had been treated with either the protein or the resin was noted while the swatches which had been treated with the sprayable hair setting composition of Example 1 exhibited resistance to the reversion.

Various changes and modifications can be made in the sprayable hair setting composition of the present invention without departing from the spirit or scope thereof. The various embodiments which have been described herein were for the purpose of further illustrating the invention but were not intended to limit it.

Claims

1. A sprayable hair setting composition consisting essentially of an aqueous solution of a water soluble reactive polyamide-epichlorohydrin resin and protein in a weight ratio of about 5:1 to 1:5.

2. The sprayable hair setting composition of claim 1 wherein the weight ratio is about 2:1 to 1:2.

3. The sprayable hair setting composition of claim 2 wherein the weight ratio is about 1:1.

4. The sprayable hair setting composition of claim 1 wherein the amount of each of said resin and protein is 0.05 to 5 percent.

5. The sprayable hair setting composition of claim 4 wherein the amount of said resin and protein are individually less than 0.5 percent.

6. The sprayable hair setting composition of claim 5 wherein the amount of each of said resin and protein is 0.1 to 0.25 percent.

7. The sprayable hair setting composition of claim 1 in which the amount of water is at least 90%.

8. The sprayable hair setting composition of claim 7 in which the amount of water is at least 98%.

9. The sprayable hair setting composition of claim 8 in which the weight ratio is about 1:1 and the amount of each of said resin and protein is 0.1 to 0.25 percent.

10. The sprayable hair setting composition of claim I consisting of about 0.175 percent af said resin, about 0.175 percent of said protein, about 0.1 percent perfume, about 0.2 percent preservative and the balance water.

11. A sprayable hair setting composition substantially as herein described.