Skin friendly antiperspirant composition and method of making
AssigneeReheis, Inc.
InventorsJawahar C. Parekh, Zijun Li
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AssigneeReheis, Inc.
InventorsJawahar C. Parekh, Zijun Li
Estimating the term…
An improved skin friendly antiperspirant is provided in which a suitable polyhydric alcohol e.g., glycerin, is complexed with the antiperspirant of the type of activated or nonactivated aluminum or aluminum/zirconium salt that are commonly considered antiperspirant active materials and are covered by FDA OTC Tentative Final Monograph as Category I. Suitable antiperspirant salts include (but are not limited to): aluminum chlorohydrate, aluminum sesquichlorohydrate, aluminum chlorohydrex PG, aluminum dichlorohydrex PG, aluminum sesquichlorohydrex PG, aluminum chlorohydrex PEG, aluminum sesquichlorohydrex PEG, aluminum chloride (15 percent or less aqueous solutions), aluminum zirconium chlorohydrates, aluminum zirconium trichlorohydrate, aluminum zirconium tetrachlorohydrate, aluminum zirconium pentachlorohydrate, aluminum zirconium octachlorohydrate, aluminum zirconium trichlorohydrex Gly, aluminum zirconium penta chlorohydrex Gly, aluminum zirconium tetrachlorohydrex Gly, aluminum zirconium octachlorohydrex Gly, buffered aluminum sulfate, basic aluminum chlorides, zirconium hydroxychloride, zirconyl chloride, basic aluminum nitrates, basic aluminum chlorides combined with zirconyl oxychloride and/or hydroxychloride and organic complexes of each of basic aluminum chlorides with or without zirconyl chloride or zirconium hydroxychloride and mixture of any of the foregoing. Aluminum, zinc or zinc and zirconium complexes or aluminum, zinc and zirconium complexes with having metals/anion ratio of 0.9:1 to 2:1 where the anion is Cl, Br, I and/or NO, with or without additives such as amino acids or polyhydric alcohols.
A skin friendly antiperspirant composition which comprises from about 70% to about 98% by weight of an antiperspirant active selected from those aluminum-zirconium-glycine salts having the formula:
A method of preparing skin-friendly antiperspirant composition of from about 70% to about 98% by weight of an antiperspirant active and from about 2% to about 30% by weight of a polyhydric alcohol having at least 3 carbon atoms and at least 3 hydroxy groups and wherein from about 2% to about 70% of the polyhydric alcohol is complexed with the antiperspirant active comprises:
Dependencies are inferred from the claim text.