Self-warming hair conditioning compositions

Details Self-warming hair conditioning compositions Self-warming hair conditioning compositions

1998-12-23

2001-08-14

Dodson, Shelley A. (Department: 1616)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

C424S078020, C424S400000, C424S401000, 57, 57

Reexamination Certificate

active

06274128

ABSTRACT:

FIELD OF THE INVENTION
This invention concerns processes and compositions for the treatment of human hair. More particularly the invention concerns a hair conditioner composition and a conditioning shampoo composition that provide a noticeable increase in temperature during use and that provide good conditioning properties to the hair.
BACKGROUND OF THE INVENTION AND PRIOR ART
When treating hair with conditioner, it would be desirable for the conditioner being used to increase in temperature during actual use. More specifically it would be desirable for the conditioner to increase in temperature after being added to hair that is already wet (for example, after shampooing). Alternatively such a conditioner could be added to dry hair and then after water is added, there would be an increase in temperature in said conditioner. Finally, such a conditioner could be put on hair simultaneously with water and the conditioner would increase in temperature. Such increases in temperature are referred in this specification as self warming. Such self-warming would provide the consumer with a feeling of comfort and relaxation, as well as supplying the consumer with a “signal” that the conditioner composition is working.
A self-warming composition which is presently on the market is Lux Super Rich Self Warming Conditioner. It is an anhydrous glycol containing composition which generates heat through the dissolution of the glycol in water. By contrast the compositions of the present invention generate heat when water adsorbs into the pores of the microporous materials. Anhydrous glycol containing products increase in temperature on application of water, 7 to 8 degrees C. under normal conditions of use on the hair. The compositions of the present invention will often increase in temperature significantly more upon application of water during use in the hair.
It is an object of the present invention to provide an improved hair conditioner which provides increased self-warming hair conditioner composition during use (i.e., when applied to hair with water) while not decreasing the conditioning provided, and in some cases increasing the conditioning that is provided.
BRIEF SUMMARY OF THE INVENTION
The invention relates to hair conditioner compositions which are essentially anhydrous that comprise:
(a) one or more microporous materials each of which has an average pore size larger than the critical diameter of a water molecule;
(b) carrier molecules or molecular aggregates that have critical diameters larger than the largest average pore size of the microporous materials; and
(c) conditioner molecules or molecular aggregates that have critical diameters larger than the largest average pore size of the microporous materials.
The invention also relates to a process for treating hair which comprises administering to said hair, the hair conditioner composition described above.
The invention also relates to a conditioning shampoo composition that provides a noticeable increase in temperature during use.
The invention also relates to a process for treating hair which comprises administering to said hair, the conditioning shampoo composition described above.
The hair conditioner compositions of the invention and the conditioning shampoo compositions provide increased self-warming during use (i.e., when applied to hair with water) while not decreasing the hair conditioning provided and in some cases increasing the hair conditioning provided. This is an unexpected result, since the hair conditioner compositions of the invention comprise microporous materials such as molecular sieves which are a solid particulate material which would be expected to decrease the conditioning properties of the compositions of the invention as compared to compositons without microporous materials or molecular sieves. In fact the compositions of the invention have the same or increased conditioning properties as noted above.


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