An antiperspirant composition comprising (a) A metal based antiperspirant active; (b) A natural oil that comprises a glyceride of an unsaturated carboxylic/fatty acid; and (c) A compound of formula 1 having the structure: Where R 1 is CH 3 or CHR 3 R 4 or CR 3 R 4 R 5 where R 3 ,R 4 ,R 5 each independently represents H or linear C 1 -C 6 alkyl group or branched C 3 -C 6 alkyl group or C 5 - C 6 cyclo alkyl group or a 5 or 6 membered aromatic or heterocyclic group; R 2 is H or CHR 3 R 4 or CR 3 R 4 R 5 or XR 3 where X is O or S and where R 3 ,R 4 , R 5 each independently represents linear C 1 -C 6 alkyl group or branched C 3 -C 6 alkyl group or C 5 - C 6 cyclo alkyl group or a 5 or 6 membered aromatic or heterocyclic group; wherein the compound of formula 1 is selected from 2,6-dimethyl-4-(tert-pentyl) phenol; 4-(tert-butyl)-2,6-diethylphenol; 4-isopropyl-2,6-dimethylphenol; 4-(2,3-dimethylbutan-2-yl)-2,6-dimethylphenol; 2,6-diethyl-4-isopropylphenol; 2-(tert-butyl)-3,6-dimethylphenol; 4-(1-hydroxy-2-methylpropan-2-yl)-2,6-dimethylphenol; 2-(tert-butyl)-4,6-diisopropylphenol; 4-(tert-butyl)-2,6-diisopropylphenol; 2,6-di-tert-butyl-4-methoxyphenol; 4-(sec-butyl)-2,6-di-tert-butylphenol; 2,6-di-tert-butylphenol; 2,4,6-tri-tert-butylphenol; or 4,4'-(propane-2,2-diyl)bis(2,6-dimethylphenol). (a) A metal based antiperspirant active; (b) A natural oil that comprises a glyceride of an unsaturated carboxylic/fatty acid; and (c) A compound of formula 1 having the structure: Where R 1 is CH 3 or CHR 3 R 4 or CR 3 R 4 R 5 where R 3 ,R 4 ,R 5 each independently represents H or linear C 1 -C 6 alkyl group or branched C 3 -C 6 alkyl group or C 5 - C 6 cyclo alkyl group or a 5 or 6 membered aromatic or heterocyclic group; R 2 is H or CHR 3 R 4 or CR 3 R 4 R 5 or XR 3 where X is O or S and where R 3 ,R 4 , R 5 each independently represents linear C 1 -C 6 alkyl group or branched C 3 -C 6 alkyl group or C 5 - C 6 cyclo alkyl group or a 5 or 6 membered aromatic or heterocyclic group; wherein the compound of formula 1 is selected from 2,6-dimethyl-4-(tert-pentyl) phenol; 4-(tert-butyl)-2,6-diethylphenol; 4-isopropyl-2,6-dimethylphenol; 4-(2,3-dimethylbutan-2-yl)-2,6-dimethylphenol; 2,6-diethyl-4-isopropylphenol; 2-(tert-butyl)-3,6-dimethylphenol; 4-(1-hydroxy-2-methylpropan-2-yl)-2,6-dimethylphenol; 2-(tert-butyl)-4,6-diisopropylphenol; 4-(tert-butyl)-2,6-diisopropylphenol; 2,6-di-tert-butyl-4-methoxyphenol; 4-(sec-butyl)-2,6-di-tert-butylphenol; 2,6-di-tert-butylphenol; 2,4,6-tri-tert-butylphenol; or 4,4'-(propane-2,2-diyl)bis(2,6-dimethylphenol). R 1 is CH 3 or CHR 3 R 4 or CR 3 R 4 R 5 where R 3 ,R 4 ,R 5 each independently represents H or linear C 1 -C 6 alkyl group or branched C 3 -C 6 alkyl group or C 5 - C 6 cyclo alkyl group or a 5 or 6 membered aromatic or heterocyclic group; R 2 is H or CHR 3 R 4 or CR 3 R 4 R 5 or XR 3 where X is O or S and where R 3 ,R 4 , R 5 each independently represents linear C 1 -C 6 alkyl group or branched C 3 -C 6 alkyl group or C 5 - C 6 cyclo alkyl group or a 5 or 6 membered aromatic or heterocyclic group; wherein the compound of formula 1 is selected from 2,6-dimethyl-4-(tert-pentyl) phenol; 4-(tert-butyl)-2,6-diethylphenol; 4-isopropyl-2,6-dimethylphenol; 4-(2,3-dimethylbutan-2-yl)-2,6-dimethylphenol; 2,6-diethyl-4-isopropylphenol; 2-(tert-butyl)-3,6-dimethylphenol; 4-(1-hydroxy-2-methylpropan-2-yl)-2,6-dimethylphenol; 2-(tert-butyl)-4,6-diisopropylphenol; 4-(tert-butyl)-2,6-diisopropylphenol; 2,6-di-tert-butyl-4-methoxyphenol; 4-(sec-butyl)-2,6-di-tert-butylphenol; 2,6-di-tert-butylphenol; 2,4,6-tri-tert-butylphenol; or 4,4'-(propane-2,2-diyl)bis(2,6-dimethylphenol). <EOS>