Copper Peptide Face Serum
Firmer skin and fewer fine lines in just 30 seconds a day.
Dual-peptide formulation combining GHK-Cu with Matrixyl 3000 at clinically studied concentrations.
Turn back the clock, without needles
The Science of Dual-Peptide Face Serums
Research published in the International Journal of Molecular Sciences examines GHK-Cu, a copper tripeptide-1 composed of the amino acids glycine, histidine, and lysine bound to copper ions. This literature describes copper peptides as compounds studied for their role in tissue processes, collagen production pathways, and extracellular matrix remodeling involving dermal fibroblasts and skin cells.
Additionally, research on Matrixyl 3000 describes this dual-peptide complex (Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7) as matrikine signaling molecules studied for their appearance benefits on facial skin, particularly fine lines and skin texture.
PLU Laboratories formulated our Face Tonic to combine both peptide complexes in a single copper peptide face serum: GHK-Cu copper peptides AND Matrixyl 3000. This creates a comprehensive dual-peptide system where both amino acid sequences support firmer skin appearance and skin texture through complementary mechanisms studied in published clinical literature, without dilution from hyaluronic acid, vitamin C, or other active ingredients.
Understanding Copper Peptides and Matrixyl 3000 for Facial Skin
GHK-Cu: Signal Peptide Function
The research describes GHK-Cu as a signal peptide that communicates with dermal fibroblasts and skin cells to support tissue processes. These amino acid sequences studied in clinical literature support firmer skin appearance and improved skin texture.
GHK-Cu: Carrier Peptide Function
As a carrier peptide, GHK-Cu delivers copper ions studied for their role in collagen production pathways and extracellular matrix remodeling. This dual-function copper peptide serves as the foundation for our copper peptide face serum formulation.
Matrixyl 3000: Palmitoyl Tripeptide-1
This matrikine signal peptide communicates with skin cells to support extracellular matrix processes. Research examined this amino acid sequence for its effects on facial skin appearance, particularly skin firmness and texture with consistent use.
Matrixyl 3000: Palmitoyl Tetrapeptide-7
The second component of Matrixyl 3000, this peptide works synergistically with Palmitoyl Tripeptide-1. Clinical studies examined this matrikine peptide for its role in supporting the appearance of smoother, firmer skin and reduced fine lines.
Complementary Amino Acid Pathways
GHK-Cu copper peptides work through tissue remodeling pathways, while Matrixyl 3000 works through matrikine signaling studied for skin cell communication. Together, these amino acid sequences create comprehensive support for facial skin appearance.
Synergistic Dual-Peptide Benefits
Our copper peptide face serum combines both peptide technologies at concentrations studied in published research. This dual-peptide approach addresses skin texture appearance, skin elasticity, and firmer-looking skin through complementary mechanisms examined in clinical literature.
Why Our Copper Peptide Face Serum Excludes Multi-Ingredient Blends
Many face serums combine copper peptides with hyaluronic acid, vitamin C, ceramide complexes, and other active ingredients in the same formulation. However, the clinical research on copper peptides and Matrixyl 3000 examined these amino acid sequences as focused peptide complexes, not as part of multi-ingredient blends with hydrators, antioxidants, and barrier-supporting compounds.
The research published in the International Journal of Molecular Sciences studied the GHK-Cu copper tripeptide-1 complex for its role in tissue processes and dermal fibroblast activity. The research on Matrixyl 3000 examined these specific matrikine peptides for facial skin appearance benefits including firmer skin and reduced fine lines. Adding hyaluronic acid, vitamin C, or other actives dilutes the peptide concentrations studied in research.
Our Face Tonic maintains both peptide concentrations by focusing exclusively on the dual-peptide system: GHK-Cu copper peptides and Matrixyl 3000. If you want hyaluronic acid for hydration, vitamin C for antioxidant benefits, or ceramides for skin barrier support, apply those products separately after the copper peptide face serum absorbs. This approach preserves the peptide concentrations examined in clinical literature while supporting firmer skin appearance.
Our Copper Peptide Face Serum Formulation Standards
GHK-Cu Copper Tripeptide-1
Our Face Tonic contains GHK-Cu at concentrations studied in published research on tissue processes and collagen production pathways. This copper peptide complex supports firmer skin appearance through amino acid signaling examined in clinical literature on dermal fibroblasts.
Complete Matrixyl 3000
We include BOTH components of Matrixyl 3000: Palmitoyl Tripeptide-1 AND Palmitoyl Tetrapeptide-7. Many copper peptide face serums contain only one or the other. Our formulation delivers the complete dual-peptide complex studied for fine lines and skin texture appearance.
Clinically Studied Concentrations
The research examined specific peptide concentrations for facial skin appearance benefits. We maintain these concentrations consistent with published studies, not minimal amounts diluted in multi-ingredient facial serums that compromise peptide efficacy.
No Hyaluronic Acid Dilution
We exclude hyaluronic acid from our copper peptide face serum formulation. While beneficial for hydration, hyaluronic acid dilutes the peptide concentrations studied in research. Apply hyaluronic acid separately after peptides absorb to maintain efficacy while adding moisture.
No Vitamin C Interference
Vitamin C can interfere with copper peptide stability and effectiveness. Our Face Tonic excludes vitamin C and other antioxidants that may compromise peptide activity. Layer vitamin C serums separately if desired for complementary antioxidant benefits.
Dual-Peptide Synergy
GHK-Cu and Matrixyl 3000 work through complementary amino acid pathways studied in clinical literature. This creates synergistic support for firmer skin appearance, improved skin texture, and reduced fine lines through mechanisms examined in published research on facial skin.
How To Use Your Copper Peptide Face Serum
Clinically studied peptides at research-backed concentrations.
Start with clean, dry skin. Remove all makeup and impurities before applying copper peptides.
Dispense onto fingertips. Gently massage the copper peptide serum into face, neck, and under eyes. The GHK-Cu + Matrixyl 3000 formulation absorbs quickly.
Wait 30 seconds for peptide absorption. Then layer hyaluronic acid, vitamin C, or moisturizer as desired. Use morning and/or night for optimal results.
Most users report visible improvements in skin firmness and fine lines within 6-8 weeks of consistent daily use.
Real Reviews from Real Customers
Customers love the amazing texture and visible results from PLU's focused dual-peptide formulation
"I've only been using this a week and I already see an improvement in my fine lines. It's rare to see noticeable change after that short time period with any product. I also started using it on my neck and the back of my hands. This stuff is amazing."
December 1, 2025
"This product is great! It's super lightweight and absorbs on my skin quickly. My skin feels hydrated with no sticky after feel. I also like the simplicity of the formula so I know what I'm putting on my skin."
December 8, 2025
"AWESOME. Only a week in. Skin looks younger and confidence is oozing. New level of aura unlocked"
November 21, 2025
"Firmer, healthy, and noticeably less blemishes! I've been using PLU for over a week now and I've really enjoyed it. I've baked it into my daily routine and I'm happy that I did. I would recommend this product to anyone!"
November 20, 2025
What to Expect From Your Copper Peptide Face Serum
- Weeks 1-2: Facial skin feels smoother with improved texture appearance. Initial improvements in how skin looks and feels with daily copper peptide application.
- Weeks 3-4: Visible improvements in skin health appearance and enhanced skin tone evenness. Firmer skin appearance becomes more noticeable with consistent use.
- Weeks 6-8: Notable improvements in fine lines appearance, skin elasticity, and skin firmness. The dual-peptide system (GHK-Cu + Matrixyl 3000) delivers visible results consistent with published research timelines.
- Weeks 8-12: Continued improvements in skin texture and overall facial appearance. Fine lines look less prominent, skin appears firmer and more refined with ongoing peptide delivery.
- Weeks 12+: Ongoing support for firmer-looking, smoother facial skin with continued daily application of dual-peptide system at clinically studied concentrations.
Individual results may vary. Research on copper peptides and Matrixyl 3000 noted visible improvements within study timeframes with consistent use of peptide complexes.
Common Questions About Copper Peptide Face Serums
Does copper peptide face serum help with collagen production?
PLU Laboratories sells cosmetic products, not FDA-approved drugs, so we cannot make claims about producing collagen or affecting the body's structure or function. However, the research published in the International Journal of Molecular Sciences describes GHK-Cu as a copper tripeptide-1 studied for its role in tissue processes and collagen production pathways involving dermal fibroblasts and extracellular matrix remodeling. Our Face Tonic uses these copper peptides for cosmetic use to support the appearance of firmer skin and smoother facial skin texture.
Can I use copper peptide face serum with hyaluronic acid or vitamin C?
Yes, but apply them separately. The research studies examined copper peptides and Matrixyl 3000 as focused amino acid complexes, not mixed with hyaluronic acid or vitamin C in the same formulation. Apply our copper peptide face serum to clean facial skin first, then layer hyaluronic acid serum for hydration or vitamin C serum for antioxidant benefits after the peptides absorb. This maintains the peptide concentrations studied in research while allowing you to use other active ingredients for firmer skin and enhanced texture.
What makes your copper peptide face serum different from other peptide serums?
Most peptide serums contain either copper peptides OR other peptides, rarely both. Our Face Tonic combines GHK-Cu copper tripeptide-1 with complete Matrixyl 3000 (Palmitoyl Tripeptide-1 + Palmitoyl Tetrapeptide-7), creating a dual-peptide system for firmer skin and reduced fine lines. The research on copper peptides and studies on Matrixyl 3000 examined these specific amino acid sequences. We also exclude hyaluronic acid, vitamin C, and other actives that dilute peptide concentrations, maintaining the concentrations studied in published literature.
Is copper peptide face serum better as a serum or cream?
Facial serums are lightweight, water-based formulations designed for deeper penetration and faster absorption of active ingredients like peptides. Facial creams are emulsions containing oils and emollients designed more for surface hydration and skin barrier occlusion. For peptide delivery supporting firmer skin appearance, lighter serum formulations may allow better penetration of amino acid sequences like GHK-Cu and Matrixyl 3000 to reach dermal fibroblasts and skin cells. Our Face Tonic uses a serum-style formulation to optimize copper peptide absorption, allowing you to layer a cream or moisturizer over it if additional hydration is desired.
Can copper peptide face serum help with wound healing or skin repair?
As a cosmetic product, our copper peptide face serum cannot make claims about wound healing or repairing damage, as those are medical/drug claims. The research published in the International Journal of Molecular Sciences describes copper peptides as compounds studied in research on tissue remodeling processes and extracellular matrix interactions, but our Face Tonic is designed to support the appearance of facial skin texture, skin elasticity, and firmer skin through cosmetic application of peptide complexes studied in published research.
How do copper ions in face serums work with amino acids?
GHK-Cu (copper tripeptide-1) consists of three specific amino acids (glycine, histidine, and lysine) bound to copper ions. The research describes this copper peptide as a naturally occurring compound where the copper ions are chelated to the amino acid sequence. This conjugated copper form allows the peptide to work as studied in research on dermal fibroblasts and tissue processes supporting firmer skin appearance. Our copper peptide face serum delivers GHK-Cu in this copper-bound form alongside Matrixyl 3000 peptides, creating a comprehensive amino acid delivery system for facial skin appearance and reduced fine lines.
Is copper peptide face serum suitable for dry skin?
Our Face Tonic focuses on peptide delivery for firmer skin rather than hydration. The dual-peptide system (GHK-Cu + Matrixyl 3000) is designed to support skin texture appearance, skin elasticity appearance, and skin firmness rather than providing moisture. If you have dry skin, layer a hyaluronic acid serum or facial cream over the copper peptide face serum after the peptides absorb. This approach maintains peptide efficacy while addressing hydration needs separately. The lightweight serum formulation won't interfere with subsequent hydrating products.
Can I use copper peptide face serum with other active ingredients?
Yes. Apply our copper peptide face serum to clean facial skin first, before any other active ingredients. The dual-peptide serum (GHK-Cu + Matrixyl 3000) absorbs quickly, allowing you to layer vitamin C, hyaluronic acid, ceramide complexes, or other actives afterward. This layering approach maintains the peptide concentrations studied in research for firmer skin appearance while allowing you to use complementary ingredients. Wait about 30 seconds for the peptides to absorb before applying subsequent products.
How does copper peptide face serum support skin elasticity and texture?
The research published in the International Journal of Molecular Sciences describes GHK-Cu as a copper peptide studied for its role in extracellular matrix processes involving dermal fibroblasts and skin cells. Research on Matrixyl 3000 examined matrikine signaling peptides for facial skin appearance including firmer skin and reduced fine lines. As a cosmetic product, our copper peptide face serum supports the appearance of skin elasticity, texture, and skin firmness through these amino acid pathways studied in published literature. With consistent use, facial skin appears firmer, smoother, and more refined.
What's the difference between copper peptides and other anti-aging ingredients?
As a cosmetic brand, we focus on appearance benefits rather than anti-aging claims. However, copper peptides like GHK-Cu are amino acid complexes studied in research on tissue processes and dermal fibroblast activity, working through specific peptide signaling pathways for firmer skin appearance. Other ingredients like vitamin C work as antioxidants, hyaluronic acid provides hydration, and ceramides support skin barrier function. Our copper peptide face serum focuses exclusively on dual-peptide technology (GHK-Cu + Matrixyl 3000) studied for facial skin appearance and reduced fine lines, allowing you to layer other ingredients separately based on your individual needs.
Can I combine copper peptide face serum with hair peptide treatments?
Absolutely. Our Face Tonic with GHK-Cu and Matrixyl 3000 can be used alongside our Hair Tonic containing GHK-Cu and Acetyl Tetrapeptide-3. This creates a comprehensive peptide routine supporting both firmer skin appearance and hair appearance. Apply the copper peptide face serum to clean facial skin and Hair Tonic to clean scalp, each taking under 30 seconds daily. Learn more about combining peptide complexes on our copper peptide hair serum page.