A composition for the topical application on a mammalian skin comprises one or more Brassica plant extracts selected from the group consisting of: Brassica juncea extract, Brassica oleracea italica extract, Brassica oleracea capitata extract, Brassica oleracea botrytis extract, and Brassica oleracea acephala extract. The composition further comprises one or more selected from the group consisting of: Curcuma longa extract, curcuminoids, tetrahydrocurcuminoids, metabolites of curcuminoids or tetrahydrocurcuminoids, and derivatives of curcuminoids or tetrahydrocurcuminoids. The composition further comprises one or more selected from the group consisting of: Camellia oleifera extract, Camellia sinensis extract, green tea extract and white tea extract; Wasabia japonica extract; Bacopa monnieri extract; Silybum marianum extract; and one or both of Piper nigrum extract or tetrahydropiperine.