INCI: Copper Palmitoyl Heptapeptide-14 - Also known as: Copper Peptide GHK-Cu Derivative, Palmitoylated Copper Heptapeptide

QUICK FACTS

What is Copper Palmitoyl Heptapeptide-14?

Copper Palmitoyl Heptapeptide-14 is a copper-complexed peptide - a seven-amino-acid sequence palmitoylated for skin penetration and chelated with a copper ion at the N-terminus. The copper-peptide combination places it in a specific and well-researched category of cosmetic actives: copper peptides, which are studied in connection with ECM-related renewal signaling and the appearance of skin density.

The copper peptide category has its own body of research distinct from conventional synthetic signal peptides like Matrixyl (Palmitoyl Pentapeptide-4). Where Matrixyl-type peptides are studied in connection with signaling through growth factor receptor-related pathways, copper peptides are studied in connection with copper-dependent enzymatic activity - particularly lysyl oxidase, the enzyme associated with cross-linking collagen and elastin fibers into mature, stable structures. Copper is a required cofactor for this enzyme, and copper peptide complexes are studied in connection with delivering bioavailable copper to the dermal environment in a more targeted way than free copper ions.

At Sweet Chemistry, Copper Palmitoyl Heptapeptide-14 is always formulated alongside Copper Lysinate/Prolinate - the two copper peptide actives appear consecutively in every ingredient list and form a complementary copper peptide pair within the five-peptide industry complex. Together they approach the copper-dependent collagen and elastin cross-linking environment from two different peptide architectures simultaneously.

What does it do for skin?

Copper Palmitoyl Heptapeptide-14 is studied in connection with supporting the skin's copper-dependent enzymatic environment. Copper is an essential trace mineral required by several enzymes associated with skin structure - lysyl oxidase (collagen and elastin cross-linking), tyrosinase (melanin production), and superoxide dismutase (antioxidant defense). The palmitoylated heptapeptide-14 sequence is studied in connection with delivering copper to the viable epidermis and upper dermis in a bioavailable form that may support the activity of these copper-dependent processes.

Research on copper peptide complexes in skincare has associated them with improvements in the appearance of skin density, firmness, and the reduction of fine line appearance over consistent use - outcomes attributed to their studied association with the lysyl oxidase-mediated collagen and elastin cross-linking environment. These are research-based associations rather than clinical claims, and individual results will vary.

The palmitoyl group on Heptapeptide-14 supports penetration through the stratum corneum - the same fatty acid modification used in Matrixyl (Palmitoyl Pentapeptide-4) and other industry peptides to move hydrophilic peptides past the lipid-rich barrier into the viable epidermis where fibroblasts and other target cells reside.

Within Sweet Chemistry's five-peptide industry complex, Copper Palmitoyl Heptapeptide-14 contributes the copper-peptide dimension alongside Palmitoyl Hexapeptide-52, Palmitoyl Tetrapeptide-50, Heptapeptide-15, and Palmitoyl Pentapeptide-4 (Matrixyl) - together addressing the collagen appearance environment through five independent peptide mechanisms rather than a single sequence.

FOUND IN

In 3 Formulas — Always Alongside Copper Lysinate/Prolinate

Copper Palmitoyl Heptapeptide-14 appears consecutively with Copper Lysinate/Prolinate in every ingredient list — the two copper peptide actives forming an interdependent copper peptide pair within the industry peptide complex.

Nourishment - All Skin Types

Barrier Repairing Hydra-Serum Industry Peptide Complex incl. Copper Palmitoyl Heptapeptide-14 - 1.0 oz / 30 ml

The Hydra-Serum delivers the five-peptide industry complex alongside 3% Matrikynes® bone peptides in a 40%-active emulsion - the most comprehensive peptide system in a water-based serum format in the Sweet Chemistry lineup.

Hydration - Dry to Normal

Elasticity Reinforcing Hydra-Cream Industry Peptide Complex incl. Copper Palmitoyl Heptapeptide-14 - 1.7 oz / 50 ml

The Hydra-Cream pairs the five-peptide industry complex with 3% Matrikynes® peptides and 2% THD ascorbate in a 40%-active cushioned satin finish — peptide signal, copper-peptide enzymatic support, and vitamin C cofactor within the same formula.

Hydration - Dry to Dehydrated

Elasticity Reinforcing Lipid-Cream Industry Peptide Complex incl. Copper Palmitoyl Heptapeptide-14 - 1.7 oz / 50 ml

The Lipid-Cream delivers the full peptide complex within the richest formula in the lineup — copper peptide activity within a formula also carrying 2% THD ascorbate, 3% Matrikynes® peptides, and the full ceramide barrier complex.

WORKS TOGETHER WITH

Copper Peptide Partner Copper Lysinate/Prolinate

INCI: Copper Lysinate/Prolinate.

Always formulated alongside Copper Palmitoyl Heptapeptide-14 in all three water-based formulas. Synergy Note: Copper Palmitoyl Heptapeptide-14 delivers copper in a palmitoylated heptapeptide complex; Copper Lysinate/Prolinate delivers copper as a smaller amino acid chelate. Together they provide two different copper delivery architectures targeting the same copper-dependent enzymatic environment from complementary formulation approaches.

ECM Peptide Complex Matrikynes® Bone Peptides

INCI: Hydrolyzed Cow Bone Extract.

At 3% in all four formulas. Synergy Note: Matrikynes® is associated with matrikine ECM signaling for collagen and elastin appearance; Copper Palmitoyl Heptapeptide-14 addresses the copper-dependent enzymatic cross-linking environment for collagen and elastin maturation. These two peptide approaches target the same structural appearance goal from different mechanistic directions.

Signal Peptide Palmitoyl Pentapeptide-4 (Matrixyl)

INCI: Palmitoyl Pentapeptide-4.

Part of the five-peptide industry complex in all three water-based formulas. Synergy Note: Matrixyl is studied in connection with signaling fibroblast activity for collagen production; Copper Palmitoyl Heptapeptide-14 is studied in connection with the copper-dependent cross-linking of that collagen into mature fibers. Together they may address complementary steps in the collagen formation and maturation sequence.

Stable Vitamin C THD Ascorbate

INCI: Tetrahexyldecyl Ascorbate.

At 2% in both creams, associated with the vitamin C cofactor dimension of the collagen synthesis environment. Synergy Note: Copper peptides, Matrikynes® peptides, and THD ascorbate each address a different dimension of the collagen density appearance goal - copper enzymatic cross-linking, peptide signaling, and vitamin C cofactor activity. Their co-presence in both cream formulas creates a multi-mechanism approach to the same visible skin density outcome.