Antiperspirant formulations

a technology of antiperspirant formulations and antiperspirant, applied in the direction of drug compositions, disinfection, pharmaceutical delivery mechanisms, etc., can solve the problems of reducing the effectiveness of antiperspirant formulations, increasing the visible whiteness of such formulations, and no simple matter to reformulate antiperspirant formulations with alternative oils, and achieve excellently low visible deposits
US20020039563A1Inactive Publication Date: 2002-04-04UNILEVER HOME & PERSONAL CARE USA DIV OF CONOPCO IN C
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
UNILEVER HOME & PERSONAL CARE USA DIV OF CONOPCO IN C
Publication Date
2002-04-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

Anhydrous antiperspirant formulations in which a particulate antiperspirant active is suspended in a carrier fluid can result in significant visible deposits when applied to skin or when transferred onto clothing. Anhydrous antiperspirant suspension sticks which exhibit very low visible deposits are obtainable by employing a carrier fluid in which at least 45% and preferably at least 60% of its weight comprises an oxygen-containing emollient oil having a refractive index of at least 1.465, in conjunction with structurant comprises a wax or a non-polymeric fiber-forming gellant, excluding certain gellants or gellant combinations. Preferred emollient oils include alkyl benzoates and alkylphenylsiloxanes. The waxes can even comprise fatty alcohols.
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Description

[0001] The present application relates to antiperspirant formulations, and in particular to antiperspirant stick formulations.BACKGROUND AND PRIOR ART

[0002] Topically applied antiperspirant compositions are in widespread use throughout much of the world, in order to enable their users to avoid or minimise visible wet patches on their skin, especially in axillary regions. Antiperspirant formulations containing astringent metal salts such as aluminium or zirconium salts commonly act also as deodorants. Antiperspirant formulations have been produced or proposed for use in several physical forms, such as solids, gels, soft solids, creams, lotions and particulate mixtures and these forms can be applied using a range of different dispensers, including aerosol, roll-on, pump spray, sticks, and barrel dispensers, in accordance with the individual preferences of consumers. In some parts of the world, solid formulations in stick form are especially popular, the stick usually being dispensed f...

Claims

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