Dipeptide 2 (Standard) is the analytical standard of Dipeptide 2. This product is intended for research and analytical applications. Dipeptide 2 (N-Valyltryptophan, Val-Trp) is a bioactive peptide with anti-aging effect and has been reported used as a cosmetic ingredient[1]. Dipeptide 2 is an angiotensin-converting Enzyme (ACE)[2].