Toilet – Methods – Hair treatment by application of specific chemical composition
Patent
1998-05-08
1999-07-27
Hirsch, Paul J.
Toilet
Methods
Hair treatment by application of specific chemical composition
132222, A45D 704, A01K 709
Patent
active
059272945
DESCRIPTION:
BRIEF SUMMARY
FIELD OF INVENTION
The present invention relates to a method for performing treatment of hair. The invention relates also to a product system for hair treatment.
BACKGROUND OF INVENTION
In chemical treatment of hair, such as in bleaching or a permanent waving carried out with the help of sulphur bridges reducing agent, the active agent is allowed to act on the hair chemically for a suitable time. The hair treatment operations of this kind are usually performed by dosing a suitable amount of liquid substance to the hair, which substance contains a suitable amount of active agent.
The problem in the use of liquid substances is their correct dosage. In addition to dosage problems, for avoiding a non-uniform effect of the active substance, various protective measures must be taken. Further, there exists the danger that excess liquid gets onto the skin of the person performing the treatment or the person being treated, which in the worst case causes skin irritation and allergy. Depending on the quality of the active agent the handling of liquids may cause also odors.
U.S. Pat. No. 4,848,377 discloses a hair treatment product, which consists of a non-woven fabric and a solution with which it is impregnated and which can be for example some reducing solution commonly employed in permanent waving. The patent suggests among other things the wetting of a continuous tape with a solution containing active agent and its cutting to pieces of predetermined lengths, which are packaged in a damp state, whereby the said pieces are ready for use to be wrapped together with the hair into a desired shape in the permanent treatment. Various spongy or fibrous elastic materials which are capable of retaining a sufficient quantity of fluid, such as paper and non-woven fabric, are mentioned as possible carrier materials.
German Offenlegungsschrift 4129769 in turn suggests the packaging of wetted pieces into packaging materials, which are either disposable or can be used several times.
SUMMARY OF THE INVENTION
The purpose of the invention is to present a method for performing the hair treatment and a corresponding product system, with the help of which the hair treatment carried out by means of impregnated carrier materials can be made more economical, versatile and practical. For achieving this purpose, the method is mainly characterized by taking out from a moisture tight package pieces of desired sizes of flexible carrier material of the hair acting agent. The product system according to the invention relates to the flexible carrier material being packaged in the form of a continuous tape. The solution containing the active agent is impregnated into a carrier material in the form of continuous tape and being packaged in a damp state within packaging material retaining the properties of the active agent. In connection with the use this continuous material is provided to be dosed by the hairdresser at a correct moisture, which is suitable for the effect of the active agent, in pieces of suitable sizes. The packaging of the material in the form of a long tape reduces the packaging costs and the need of material. The amount of material in the package can be dimensioned according the amount required by one permanent waving treatment. Standardized packages of different sizes can be formed for demands which differ in quantity.
The use package employed by the hairdresser can be formed of the original package material as such or with light modifications and can be intended to be disposable. It is for example a package formed of stiff paperboard material, which can be opened and closed for placing or handling the material and which has a dispensing slit and comprises a separate cutting blade to be attached to the package for pulling out the material and for cutting it to pieces of desired sizes as the treatment of hair goes on.
As far as other advantageous embodiments of the invention are concerned, reference is made to the appended dependent claims and the following description.
BRIEF DESCRIPTION OF THE FIGURES
The invention wil
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Laurila Maija
Vapaaoksa Pirjo
Carefibres Oy
Hirsch Paul J.
Woo Louis
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