When applied topically, ganodermanondiol (a compound within Ganoderma lucidum) has been shown in studies to suppress the enzyme tyrosinase, thus noticeably reducing some forms of discoloration.

This extract has also been shown in studies to enhance skin's protective function while also reducing symptoms of irritation. It contains vitamin D2, skin-beneficial trace minerals like copper and selenium, as well as the amino acids leucine and lysine.

See also:
Antioxidant