Methods for preparing and mixing a customized cosmetic preparation at a point of sale are disclosed. More specifically, methods of preparing a customized cosmetic preparation and the subsequent mixing thereof at a point of sale are disclosed which provide for sufficient mixing of viscous ingredients in small batch amounts or in individual sale-sized containers.
Cosmetic preparations that are customized at the point of sale are growing in popularity. Specifically, a number of companies in the cosmetic industry have installed various apparatuses in retail stores for dispensing the various components of a cosmetic preparation in individual containers. Often, the ingredients are dispensed based upon computer programs which utilize information relating to the customer's skin color, oiliness and other properties to determine the proper color texture and other qualities of the customized product. The ingredients are dispensed into a container and the container is sealed, mixed and sold to the customer. Thus, the customized cosmetic product is formulated and prepared at the point of sale.
Such cosmetic products contain very viscous components. Specifically, the typical ingredients of a cosmetic product include a slurry that includes talc, various viscous slurries that include colorants such as black, red and yellow and additional viscous slurries that include silicone and titanium dioxide. The mixing of these products in small batches, i.e., containers having volumes ranging from 1 to 4 fluid ounces, is problematic because of the viscous nature of the ingredients. One specific problem is the addition of the slurries containing colorants. Often, these slurries will engage a sidewall of the small container and may never be mixed properly in the final formulation as the colorant adheres to the sidewall of the container. Further, the white color of the talc and titanium dioxide slurries may also be apparent on the sidewall or bottom wall of the container even after vigorous mixing.
Therefore, there is a need for an improved process for mixing cosmetic products at a point of sale which enables the colorant, talc, titanium dioxide and silicone slurries to be evenly and thoroughly mixed into a uniform composition. Without a suitable mixing process, customers may be unwilling to pay the added cost involved in purchasing customized cosmetic products.
In satisfaction of the aforenoted needs, an improved method of mixing cosmetic preparations at a point of sale is disclosed which comprises: providing a container with an open top; adding one or more base suspensions to the container; adding one or more suspensions comprising one or more additional ingredients on top of the base suspension; adding additional one or more base suspensions on top of the one or more suspensions comprising one or more additional ingredients; closing the open top of the container with a lid; and mixing the suspensions within the container by applying mechanical energy to the closed container.
In a refinement, the first adding of a base suspension further comprises coating a bottom of the container with the base suspension to prevent the one or suspensions comprising the additional ingredients from coating the bottom of the container.
In a refinement, the base suspensions may include talc, titanium dioxide and silicone combined, or individually or combinations of any two of the above three materials. The disclosed method includes adding a first base suspension prior to the adding of suspension that include other ingredients, such as colorants, to the container. By adding one or more base suspensions first, subsequent additional suspensions which may include colorants or other materials are prevented from engaging the bottom of the container where it would be difficult to obtain a proper mixing due to the viscous nature of the components of cosmetic products. Thus, the suspensions including other ingredients, such as colorants, are sandwiched between layers of base suspensions which results in improved mixability of all ingredients.
In another refinement, the one or more suspensions comprising one or more colorants comprise a first suspension comprising a red colorant, a second suspension comprising a yellow colorant and third suspension comprising a black colorant.
In another refinement, the mixing by applying mechanical energy comprises the use of a gyroscopic mixer that rotates the closed container about two different but intersecting axes.
In another refinement, the mixing by applying mechanical energy comprises using a rotary mixer that rotates the closed container about two different but intersecting axes.
In another refinement, the suspension comprising titanium dioxide and silicone may be added first and used to coat a portion of the sidewall of the container followed by the adding of the suspensions comprising the colorants and the suspension comprising the talc.
In another refinement, the bottom and a portion of the sidewall of the container may be coated first with a suspension comprising one or more of talc, titanium dioxide and silicone to sufficiently coat the bottom and sidewalls of the container so as to prevent any suspension that includes colorants from coating or otherwise directly engaging the sidewall and bottom of the container prior to mixing.
In another refinement, all of the colorants may be mixed and provided in a single suspension.
In another refinement, the talc, titanium dioxide and silicone can be provided in separate suspensions or in a single suspension.
The disclosed methods and apparatus will be described in greater detail with reference the accompanying drawings, wherein:
It should be understood that the drawings are not necessarily to scale and that the embodiments are illustrated with graphic symbols, phantom lines, diagrammatic representations and fragmentary views. In certain instances, detail which are not necessary for an understanding of the disclosed methods and apparatuses or which render other details difficult to perceive may have been omitted. It should be understood, of course, that the disclosed methods and apparatuses are not necessarily limited to the particular embodiments illustrated herein.
A container 10 as shown in
In the embodiment illustrated in
By way of example, to prevent the slurries containing the colorants 16, 17, 18 from coating the bottom wall 21 and lower portions of the sidewall 19 of the container 11, either the slurry 14 containing talc or the slurry 15 containing titanium dioxide and silicone is deposited in the container portion 11 first. In the embodiment illustrated in
Therefore, in a preferred embodiment, a slurry 14 containing talc is deposited in the container portion 11 first. However, a slurry containing titanium dioxide or a slurry containing silicone or a slurry 15 containing both may be deposited first and preferably deposited in a manner so that the bottom wall 21 and the lower part of the sidewall 19 is coated with non-colorant slurry material. After the initial deposition of a non-colorant slurry, such as the slurry 14 containing talc, then the one or more slurries 16, 17, 18 containing one or more colorants such as red, black and yellow can be deposited on the first slurry 14. After the one or more slurries 16, 17, 18 are deposited on the first slurry 14, a second non-colorant containing slurry, such as the slurry 15 containing titanium dioxide and silicone is deposited on top of the entire mixture as shown in
Referring to
Returning to
Returning to
Thus, in general, after the formulation of a cosmetic product is determined, a first base slurry is added to a container 10 which does not include colorant or other hard-to-mix ingredients. That initial slurry may include talc, silicone, titanium dioxide, any combination of two or three of these ingredients or other materials, depending upon the product to be prepared. A preferred embodiment is to initially deposit a first slurry 14 containing talc and the container, but it will be noted that the initial coating slurry may include just titanium dioxide, just silicone or any combination of silicone, titanium dioxide and talc. The initial slurry 14 deposited in the container 10 is used to coat the lower part of the sidewall 19 and bottom wall 21 of the container portion 11. This coating action prevents any slurry containing colorant from adhering to the lower part sidewall 19 or bottom wall 21. Then, one or more slurries 16–18 containing one or more colorants are added and one or more final slurries containing talc, titanium dioxide and silicone are added as a top slurry to form the suspension generally shown in
Turning to
After mixing, the plug 82 is removed in a conventional cap or pump 85, as shown in
While only certain embodiments have been set forth, alternative embodiments and various modifications will be apparent from the above description to those skilled in the art. These and other alternatives are considered equivalents and within the spirit and scope of this disclosure.
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