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Cysteine(E920)

Level 1 — Generally benignIn Winter's Dictionary

Cysteine is a amino acid — Essential amino acid; dough strengthener

Also: L-Cysteine

What it does

Essential amino acid; dough strengthener

Where you'll see it

Bakery products, hair products, creams

Benefits

Used to promote wound healing.

Regulatory status

  • US FDA: GRAS
  • EU: approved
  • Notes: Also ASP

Sources

  • A Consumer's Dictionary of Food Additives (Winter): It has been used to promote wound healing