Provided are compositions, e.g., oral and personal care products, comprising (i) a tetrabasic zinc-amino acid or trialkyl glycine-halide complex, and (ii) cysteine in free or in orally or cosmetically acceptable salt form, together with methods of making and using the same.本發明係提供組成物,例如,包含(i)四鹼基鋅-胺基酸或三烷基甘胺酸-鹵化物錯合物,及(ii)半胱胺酸以游離或以口腔或化妝品上可接受鹽形式之口腔及個人護理產品,以及其製造及使用之方法。