Drug – bio-affecting and body treating compositions – Anti-perspirants or perspiration deodorants
Patent
1996-05-16
1998-07-14
Dodson, Shelley A.
Drug, bio-affecting and body treating compositions
Anti-perspirants or perspiration deodorants
424400, 424401, 424DIG5, 514557, 514558, A61K 753, A61K 700, A61K 3119
Patent
active
057800197
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to cosmetic active compound combinations, in particular active compound combinations as the active principle in cosmetic deodorants.
Cosmetic deodorants serve to eliminate body odour which forms when fresh perspiration, which is odourless per se, is decomposed by microorganisms. The usual cosmetic deodorants are based on various active principles.
In so-called antiperspirants, the formation of perspiration can be suppressed by astringents--chiefly aluminium salts, such as aluminium hydroxychloride (aluminium chlorohydrate). Apart from denaturing skin proteins, however, the substances used for this intervene drastically in the thermal balance of the axillary region, depending on their dosage, and should at best be used in exceptional cases.
The bacterial flora on the skin may be reduced by the use of antimicrobial substances in cosmetic deodorants. In the ideal case, only the microorganisms which cause the odour should be reduced effectively in this case. In practice, however, it has been found that the entire microflora of the skin may be impaired.
The flow of perspiration itself is not influenced by this means, and in the ideal case only microbial decomposition of the perspiration is temporarily stopped.
Combination of astringents with antimicrobially active substances in one and the same composition is also customary. However, the disadvantages of the two classes of active compound cannot be eliminated completely by this route.
Finally, body odour can also be masked by fragrances, a method which least meets the aesthetic requirements of the consumer, since the mixture of body odour and perfume fragrance tends to smell rather unpleasant.
Nevertheless, most cosmetic deodorants, like most cosmetics overall, are perfumed, even if they comprise deodorizing active compounds. Perfuming can also serve to increase consumer acceptance of a cosmetic product or to give a product a certain flair.
However, perfuming of cosmetic formulations, in particular cosmetic deodorants, comprising active compounds is not infrequently problematic, because active compounds and perfume constituents occasionally react with one another and can render one another inactive.
Deodorants should meet the following conditions: the deodorants. not as specified.
Both liquid deodorants, for example aerosol sprays, roll-ons and the like, and solid formulations, for example deodorant sticks, powders, powder sprays, intimate cleansing agents and the like, are known and customary.
The object of the present invention was thus to develop cosmetic deodorants which do not have the disadvantages of the prior art. In particular, the deodorants should largely protect the microflora of the skin, but selectively reduce the number of microorganisms which are responsible for body odour.
It was also an object of the invention to develop cosmetic deodorants which are distinguished by a good skin tolerance. Under no circumstances should the deodorizing active principles become concentrated on the skin.
A further object was to develop cosmetic deodorants which harmonize with the largest possible number of customary cosmetic auxiliaries and additives, in particular with the perfume constituents which are important precisely in formulations which have a deodorizing or antiperspirant action.
Yet another object of the invention was to provide cosmetic deodorants which are active over a relatively long period of time, and in particular of the order of at least half a day, without their action decreasing noticeably.
Finally, one object of the present invention was to develop deodorizing cosmetic principles which can be incorporated as universally as possible in the most diverse presentation forms of cosmetic deodorants without being bound to one or a few specific presentation forms.
Surprisingly, it has been found, and therein lies the achievement of all these objects, that cosmetic deodorants comprising mixtures of
Although European Patent Application Specification EP-0 036 134 describes deodorizing compositions characterized by a conten
REFERENCES:
patent: 4725431 (1988-02-01), Hourihan et al.
Klier Manfred
Roeckl Manfred
Traupe Bernd
Wolf Florian
Beiersdorf AG
Dodson Shelley A.
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