INCI name: metallothionein, metallothioneins Purity:70%,80%,95% Molecular:6500 Grade: cosmetic Appearance:white powder 2.Functions: Metallothionein(MT) can eliminate free radicals and prevent aging; to lift heavy metal toxicity; involved in the metabolism of trace elements in the human body; enhance immune function and has the ability to adapt to a variety of adverse state; prevent cancer cells; resistance to apoptosisand so on.