Support system. Enlist DHC Protein Gel to help protect precious dermal moisture. The key to dewier skin lies in amino acids, and Protein Gel is bursting with gamma-polyglutamic acid—a moisture-attracting amino acid compound. This fast-absorbing, oil-free booster works with your toner and moisturizer and aids in your fight to retain natural skin hydration for smoother, softer skin. To be discontinued! Get it while supplies last!