Copper Peptide Hair Tonic with AHK-Cu and Acetyl Tetrapeptide-3
Key Benefits
Nourish Your Hair With AHK-Cu Peptide
AHK-Cu peptide is a synthetic copper peptide (Copper Tripeptide-3) made to support the appearance of fuller-looking hair. Our copper peptide serum pairs it at 1% concentration with 1% Acetyl Tetrapeptide-3.
Two clinically studied peptides, five total ingredients. No botanicals or fillers. Nothing added for marketing appeal. Most serums dilute their active compounds across 20 or 30 other components. We went the opposite direction and made a product with everything you need, and nothing you don't.
Bring out the full potential of your hair by making this serum a part of your routine.
Ships directly to the USA. Coming soon on amazon.com domestically and in select international markets.
Choose options
What Can AHK Peptide Do For Your Hair and Skin?
The AHK peptide can be a powerful form of support for hair follicles. Studies suggest that AHK-Cu peptide may help promote the appearance of thicker, fuller-looking hair (when applied at clinical concentrations over time). The Acetyl Tetrapeptide-3 in our formula complements it. Most people see visible changes within 6-8 weeks of consistent daily use.
Some people also apply copper peptides for skin. AHK-Cu has early research interest there, but there’s just not as much data on that angle compared to GHK-Cu - which has decades of peer-reviewed study. Our GHK-Cu serum is the better fit for skin support. It pairs 1% GHK-Cu with Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7. AHK peptide is built for your scalp.
Application Steps
1 Part
Works on dry or damp hair. Create sections to expose scalp.
2 Apply
Dispense directly onto scalp. Use fingertips to massage into areas of concern
3 Leave In
Do not rinse. Style hair as usual. Use morning and/or night.
AHK-Cu vs GHK-Cu
| GHK-Cu | AHK-Cu (This Product) | |
|---|---|---|
| Full Name | Copper Tripeptide-1 | Copper Tripeptide-3 |
| Amino Acids | Glycine, Histidine, Lysine | Alanine, Histidine, Lysine |
| Occurs Naturally | Yes (human plasma) | No (synthetic variant) |
| Research Focus | Skin + Hair | Primarily Hair |
| PLU Product | GHK-Cu Hair Tonic | AHK-Cu Hair Tonic |
Frequently Asked Questions
Is AHK-Cu better than GHK-Cu?
Not better, just different. Both are copper peptides with the same histidine-lysine-copper structure. AHK-Cu (Copper Tripeptide-3) swaps glycine for alanine in the amino acid chain. GHK-Cu occurs naturally in human plasma and has decades of research across skin and hair. AHK-Cu is a synthetic variant with research focused primarily on hair follicle applications. We carry both here at PLU Laboratories, and you can always read our full AHK-Cu vs GHK-Cu comparison if you want to learn more.
What are the benefits of AHK-Cu?
Research suggests it may help support the appearance of hair density and fullness when applied consistently. Our formula uses 1% AHK-Cu paired with 1% Acetyl Tetrapeptide-3 at clinical concentrations. Five ingredients total, with visible changes showing up within 6-8 weeks.
Is it safe to use AHK-Cu for hair?
Yes. Our formulation is free of harsh chemicals, parabens, sulfates, or synthetic fillers. It's probably still worth patch testing on a small area first, as with any new scalp product. You may want to consult with a dermatologist before use if you have specific scalp concerns, too. However, there aren't really any known side effects so you can apply with peace of mind.
Where can I buy AHK-Cu peptide?
Right here at PLU Laboratories. Our AHK-Cu Hair Tonic comes in a 10 mL discovery size ($59.99) and a 30 mL full size ($119.99). We also carry copper peptides for hair in GHK-Cu formulations if you want to compare. Get free shipping on every order.
How do I use AHK peptide?
Apply it directly to the scalp (not hair strands) since that’s where hair growth actually takes place. Applying the copper peptide hair serum to strands will just leave you looking greasy without any actual impact on hair health. Massage it into the scalp for 30-60 seconds for best results. This may boost circulation and absorption. Focus on trouble areas.
Inside the Lab: PLU’s Science & Skincare Insights
AHK-Cu vs GHK-Cu: The Difference Between GHK-Cu and AHK-Cu
Copper peptides are gaining popularity in skin and hair care. However, they aren't created equal. It's important to understand the research behind each peptide if you're selecting between AHK-Cu an...
Read more
AHK-Cu vs Minoxidil: Which is Right For Your Hair?
You're not alone if you're weighing AHK-Cu vs minoxidil for your hair. Minoxidil has been around since the late '80s, it's FDA-approved, and it does work for a lot of people. It's one of the most c...
Read more
GHK-Cu Peptide Oral vs Injection: What's the Better Delivery Method?
In looking at GHK-Cu peptide oral vs injection side by side, which route actually gets the peptide where it needs to go the fastest? Oral supplements and injections both deliver GHK-Cu, but there i...
Read more