Kojic acid blocks an amino acid responsible for producing melanin, which explains why it may change skin tone. Learn its uses ...

In the context of skin, “kojic acid blocks the production of tyrosinase, which is critical for the formation of melanin, the pigment molecule in the skin,” says Carmen Castilla, M.D., a board ...

Amino acids are molecules that have several functions in the body. They’re the building blocks of all types of protein, as well as certain hormones and neurotransmitters. Almost every amino acid ...