sh-Oligopeptide-1 (Synthetic Human Epidermal Growth Factor, EGF, Sh-EGF) sh-oligopeptide-1 is the human Epidermal Growth Factor indicated on colon bacillus produced by bio engineering technology. It is composed of 53 amino acids with a molecular width of 6,200 Dalton. EGF is one of the important growth factors in human body. It can accelerate the growth of the epidermal cells, cellula nervosa and epithelial cells on tissues of organs. EGF is an important ingredient of cosmetics for anti-wrinkle and anti-aging purposes.