Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions
Reexamination Certificate
2001-11-02
2004-04-20
Page, Thurman K. (Department: 1615)
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
C424S070200, C424S070110, C424S070210, C424S401000
Reexamination Certificate
active
06723308
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a method and composition for treating hair subsequent to an alkaline hair treatment, such as a hair straightening treatment or a permanent wave treatment.
BACKGROUND
Hair is chemically straightened through a hair straightening treatment. Hair is chemically altered to produce a wavy appearance through a permanent wave treatment. Both commercial hair straightening treatments and commercial permanent wave treatments include applying an alkaline composition to the hair to disrupt the bonds in the hair fibers, in particular the disulfide bonds. Generally, permanent wave treatments have a pH in the range of 9.0 to 9.5 pH and hair straightening treatments have a pH of greater than 12.0, and typically greater than 13.0.
Commercial hair straightening products and commercial permanent wave products are typically based on an alkaline metal hydroxide, such as calcium hydroxide, barium hydroxide, lithium hydroxide, sodium hydroxide, potassium hydroxide, ammonium hydroxide, or combinations thereof. Other commercial hair straightening products include guanidine hydroxide.
A result of the permanent wave treatments or the hair straightening treatments is that residue of the alkaline composition remains in the hair causing the hair to be dull, stiff, crusty or gritty. For example, when a calcium hydroxide based product is used in a hair straightening treatment calcium deposits are left on the hair. The presence of the calcium deposits causes the hair have a dry and gritty feeling and a dull appearance.
As such a need exists for a hair treatment to improve the feel and appearance of the hair subsequent to a hair straightening treatment or a permanent wave treatment without detrimentally affecting the straightness or waviness of the hair achieved through the straightening treatment or permanent wave treatment, respectively.
SUMMARY OF THE INVENTION
The present invention is a composition and method for treating hair.
In one exemplary embodiment, a method for treating hair comprising the steps of straightening the hair with a hair straightening treatment, allowing the hair to normalize, and clarifying the hair with a hair clarifying treatment to remove a residue of the straightening treatment from the hair. In one variation the hair is allowed to normalize by waiting at least 30 minutes between the completion of the hair straightening treatment and the commencement of the clarifying treatment. In another variation, the hair is allowed to normalize by waiting at least 4 hours between the completion of the hair straightening treatment and the commencement of the clarifying treatment. In a further variation, the hair is allowed to normalize by waiting at least 24 hours between the completion of the hair straightening treatment and the commencement of the clarifying treatment. In a yet further variation, the hair is allowed to normalize by waiting at least 48 hours between the completion of the hair straightening treatment and the commencement of the clarifying treatment.
In another exemplary embodiment, a method for treating hair comprising the steps of straightening the hair with a hair straightening treatment, allowing the hair to normalize, and clarifying the hair with a hair clarifying treatment to remove a residue of the straightening treatment from the hair. In one variation the hair clarifying treatment includes the step of applying a composition to the hair. The composition comprising an aqueous solution including an acid component and an amphoteric surfactant. The acid component, in one variation of the composition, the acid component includes at least one acid selected from the group of citric, salicylic, acetic, malic, and ascorbic acid. In a further variation, the composition comprises 0.5 weight percent to 8.0 weight percent of the acid component and at least about 10 weight percent of the amphoteric surfactant. In a yet further variation of the composition, the composition comprises 3.0 weight percent of the acid component. The amphoteric surfactant, in one variation is selected from the group of Cocamidopropyl Betaine surfactant, Lauramidopropyl Betaine surfactant, Cocoamidopropyl Hydroxysultaine surfactant, Cocoamphoglycinate surfactant, and Lauroamphoglycinate surfactant. In a further variation the composition includes 3.0 weight percent malic acid and at least about 10.0 weight percent of Cocamidopropyl Betaine surfactant.
In a further exemplary embodiment, a method for treating hair comprises the steps of applying a first composition to the hair to straighten the hair, rinsing the hair, allowing the hair to normalize, applying a second composition to the hair to remove residue left in the hair by the application of the first composition, the second composition having a pH of about 2.2. In one variation, the second composition includes an aqueous solution including an acid component and an amphoteric surfactant. The acid component, in one variation, includes at least one acid selected from the group of citric, salicylic, acetic, malic, and ascorbic acid. In a further variation, the composition comprises 0.5 weight percent to 8.0 weight percent of the acid component and at least about 10 weight percent of the amphoteric surfactant. The acid component, in a further variation, comprises 3.0 weight percent of the acid component. The amphoteric surfactant, in one variation, is selected from the group of Cocamidopropyl Betaine surfactant, Lauramidopropyl Betaine surfactant, Cocoamidopropyl Hydroxysultaine surfactant, Cocoamphoglycinate surfactant, and Lauroamphoglycinate surfactant. In a yet further variation, the composition includes 3.0 weight percent malic acid and at least about 10.0 weight percent of Cocamidopropyl Betaine surfactant.
In a yet further exemplary embodiment, a method for treating hair comprises the steps of applying a first composition to the hair to straighten the hair, rinsing the hair, allowing the hair to normalize, applying a second composition to the hair to remove residue left in the hair by the application of the first composition, the second composition having a pH of about 2.2. In one variation, the hair is allowed to normalize by waiting at least 30 minutes between rinsing the hair and the application of the second composition. In another variation, the hair is allowed to normalize by waiting at least 4 hours between rinsing the hair and the application of the second composition. In a further variation, the hair is allowed to normalize by waiting at least 24 hours between rinsing the hair and the application of the second composition. In a yet further variation, the hair is allowed to normalize by waiting at least 48 hours between rinsing the hair and the application of the second composition.
In an exemplary composition for treating hair, the composition comprising an acidic component selected from the group of citric, salicylic, acetic, malic, and ascorbic acid and an amphoteric surfactant. The acidic component and the surfactant being incorporated with water to produce an aqueous solution having a pH of about 2.2. In one variation, the composition includes 0.5 weight percent to 8 weight percent of the acidic component. In one further variation, the composition includes 3 weight percent of the acidic component. The composition, in a yet further variation, includes 3 weight percent malic acid. The amphoteric surfactant, in one variation, is selected from the group of Cocamidopropyl Betaine surfactant, Lauramidopropyl Betaine surfactant, Cocoamidopropyl Hydroxysultaine surfactant, Cocoamphoglycinate surfactant, and Lauroamphoglycinate surfactant. The amphoteric surfactant, in a further variation, comprises at least about 10 weight percent of the amphoteric surfactant. The amphoteric surfactant, in a yet further variation, comprises about 10 weight percent of Cocamidopropyl Betaine surfactant.
In another exemplary method for treating hair comprising the steps of treating the hair with an alkaline treatment, allowing the hair to normalize, and clarifying the hair with a hair clarifying treatment to remove
Bose McKinney & Evans LLP
Kenra, LLC
Page Thurman K.
Tran S.
LandOfFree
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