GHK-Cu Serum
Our GHK-Cu serum delivers copper peptides at the concentrations published research actually used - nothing extra or diluted. Find your formula below and discover what’s possible!
Benefits of GHK-Cu
GHK-Cu (copper tripeptide-1) is a naturally occurring peptide your body already makes. It’s three amino acids bound to a copper ion. It supports the appearance of both skin firmness and hair density. The problem is your body produces less of it as you get older.
A topical GHK-Cu serum puts those peptides where they’re needed most - on your skin or scalp, absorbed through a water-based formula. Here's what GHK-Cu may be able to help you with:
- Skin firmness and texture: It could encourage firmer, smoother-looking skin
- Fine lines: May help with how prominent fine lines and wrinkles look.
- Hair density: Supports the appearance of thicker, fuller-looking hair over time
Our copper peptide serum lineup delivers 1% GHK-Cu paired with a second targeted peptide - either 3% Matrixyl 3000 in our copper peptides for skin or 1% Acetyl Tetrapeptide-3 in our copper peptides for hair. No hyaluronic acid filler, vitamin C padding, or anything diluting the formula.
How to Use GHK-Cu Serum
2-3 drops, 30 seconds, done. Our water-based formulations absorb well, leave no residue, and won't interfere with anything else in your routine.
- Apply a few drops to clean, dry skin (Face Tonic) or damp/dry scalp (Hair Tonic)
- Gently massage for about 30 seconds
- Face Tonic - wait 30 seconds before layering other products
- Hair Tonic - no rinsing needed, style as usual
- Use morning, evening, or both
Consistency matters most with GHK-Cu serum. You could see visible improvements in skin and hair appearance within 6-8 weeks of daily use. Be patient and keep at it. Start with our Matrixyl 3000 serum for firmer-looking skin or the Hair Tonic for thicker-looking hair today!
Frequently Asked Questions
What does GHK-Cu peptide serum do?
Research suggests it supports the appearance of firmer skin, smoother texture, and thicker-looking hair. It's one of the most studied peptides in dermatological research.
Does GHK-Cu really work?
Yes. Peer-reviewed journals have published studies on GHK-Cu for decades. The data supports its role in skin firmness and hair density appearance when used at clinical concentrations. A GHK-Cu serum with 30 other ingredients is delivering less peptide per drop than one with 5-6, so don’t waste your time with anything that’s overly diluted.
Are there any negative side effects of GHK-Cu?
GHK-Cu is generally well-tolerated, even for sensitive skin. It's a peptide your body naturally produces, after all. There’s no irritation profile like minoxidil or downtime like injectables. Check with your dermatologist before starting if you have a known copper sensitivity.
How often should you apply GHK-Cu serum?
Once or twice daily. Morning, evening, or both. Each application takes about 30 seconds. Stick with it daily. Consistent > quantity.
How long until I see results with GHK-Cu?
Skin usually responds faster. You might notice a smoother-feeling texture and improved comfort within the first few weeks. Hair takes a bit longer, but you may see changes around the 6-8 week mark with consistent daily use. Stick with it. Individual results vary, but this is the timeline research has shown.
What not to layer with copper peptides?
Don’t use copper peptides in the same application as strong acids like AHAs, BHAs, or high-concentration vitamin C serums. They can impact peptide effectiveness. Acids can still be part of your routine, just separate them by time of day. Copper peptides in the morning, acids at night, or flip it.