# Histidyl D-tryptophanyl Dipeptide-29 D-phenylalanyl Lysinamide A skin conditioning peptide ingredient listed in EU cosmetic databases—often used in anti-aging formulas. - **Category:** Anti-aging - **Slice:** skin - **Page:** https://skin.thepeptidedex.com/peptide/histidyl-d-tryptophanyl-dipeptide-29-d-phenylalanyl-lysinamide