Antiperspirant and deodorant compositions

Abstract

A deodorant stick comprising at least 25% by weight liquid triglyceride; a primary antimicrobial having a water solubility of at most about 90 g/L at 25° C.; a fragrance composition comprising at least about 50% natural oils, essential oils, or a combination thereof; and a primary structurant with a melting point of at least 50° C.; said deodorant stick being free of an aluminum salt; and said deodorant stick having a hardness from about 70 mm*10 to about 140 mm*10, as measured by penetration with ASTM D-1321 needle.

What is claimed is: 
     
         1 . A deodorant stick comprising:
 a. at least about 25% caprylic / capric triglyceride;   b. a primary antimicrobial having a water solubility of at most about 90 g/L at 25° C.; and said deodorant stick being free of an aluminum salt.   
     
     
         2 . The deodorant stick of  claim 1 , wherein the primary antimicrobial is selected from the group consisting of beryllium carbonate, magnesium carbonate, calcium carbonate, magnesium hydroxide, magnesium carbonate hydroxide, magnesium hydroxide and magnesium carbonate hydroxide, partially carbonated magnesium hydroxide, and piroctone olamine. 
     
     
         3 . The deodorant stick of  claim 1 , wherein the primary antimicrobial is magnesium hydroxide. 
     
     
         4 . The deodorant stick of  claim 1 , further comprising a primary structurant with a melting point of at least about 50° C. 
     
     
         5 . The deodorant stick of  claim 4 , wherein the primary structurant is stearyl alcohol. 
     
     
         6 . The deodorant stick of  claim 1 , wherein the deodorant stick is substantially free of baking soda. 
     
     
         7 . The deodorant stick of  claim 1 , wherein the deodorant stick is substantially free of a synthetic fragrance. 
     
     
         8 . The deodorant stick of  claim 1 , wherein the deodorant stick has a hardness from about 70 mm* 10 to about 140 mm* 10, as measured by penetration with ASTM D-1321 needle. 
     
     
         9 . The deodorant stick of  claim 1 , wherein the deodorant stick has a hardness from about 80 mm* 10 to about 140 mm* 10, as measured by penetration with ASTM D-1321 needle. 
     
     
         10 . The deodorant stick of  claim 1 , further comprising a natural fragrance. 
     
     
         11 . A deodorant stick comprising:
 a. at least about 25% of a triglyceride;   b. a primary antimicrobial having a water solubility of at most about 90 g/L at 25° C.; and said deodorant stick being free of an aluminum salt.   
     
     
         12 . The deodorant stick of  claim 11 , wherein the primary antimicrobial is selected from the group consisting of beryllium carbonate, magnesium carbonate, calcium carbonate, magnesium hydroxide, magnesium carbonate hydroxide, magnesium hydroxide and magnesium carbonate hydroxide, partially carbonated magnesium hydroxide, and piroctone olamine. 
     
     
         13 . The deodorant stick of  claim 11 , wherein the primary antimicrobial is magnesium hydroxide. 
     
     
         14 . The deodorant stick of  claim 11 , further comprising a primary structurant with a melting point of at least about 50° C. 
     
     
         15 . The deodorant stick of  claim 14 , wherein the primary structurant is stearyl alcohol. 
     
     
         16 . The deodorant stick of  claim 11 , wherein the deodorant stick is substantially free of baking soda. 
     
     
         17 . The deodorant stick of  claim 11 , wherein the deodorant stick is substantially free of a synthetic fragrance. 
     
     
         18 . The deodorant stick of  claim 11 , wherein the deodorant stick has a hardness from about 70 mm*10 to about 140 mm* 10, as measured by penetration with ASTM D-1321 needle. 
     
     
         19 . The deodorant stick of  claim 11 , wherein the deodorant stick has a hardness from about 80 mm*10 to about 140 mm* 10, as measured by penetration with ASTM D-1321 needle. 
     
     
         20 . The deodorant stick of  claim 11 , further comprising a natural fragrance.