is ghk cu purple A GHK-Cu face serum appears blue because the active ingredient, “GHK-Cu” (copper peptide), naturally a blue-colored powder, meaning its inherent color transfers to the serum when mixed in; this blue hue Seven peptides are under Fragrance:Eucalyptus Mint CAS 2381089-83-2

is ghk cu purple A GHK-Cu face serum appears blue because the active ingredient, “GHK-Cu” (copper peptide), naturally a blue-colored powder, meaning its inherent color transfers to the serum when mixed in; this blue hue Seven peptides are under Fragrance:Eucalyptus Mint CAS 2381089-83-2

Seven peptides are under review by an FDA panel this week. Here's everything we know

Notably, GHK‑Cu is a tool for exploring copper-dependent signaling and tissue regulation, with effects observed only in specific research models

CAS 2381089-83-2

Fragrance:Eucalyptus Mint

Molecular Characteristics Complete Specifications: CAS Registry Number: NOT ASSIGNED (synthetic peptide) Molecular Weight: 390.35 Da Molecular Formula: C₁₄H₂₂N₄O₉ Amino Acid Sequence: Ala-Glu-Asp-Gly (AEDG) Peptide Classification: Synthetic tetrapeptide Appearance: White to off-white lyophilized powder Solubility: Water, bacteriostatic water, phosphate buffered saline The peptide’s four-amino acid structure provides a compact, easily synthesized research tool