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AHK-Cu Price Comparison

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Raccoon Peptides
★★★★★ 4.9

AHK-Cu

In Stock 50mg Lab Tested
£24.90
FREE delivery
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Biosynthix

AHK-Cu 100mg

£55.00
In Stock 100mg Lab Tested
FREE delivery

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AHK-Cu Profile

Well Studied

Hair Growth Copper Peptide | Dermal Papilla Stimulator

Overview

Synthetic copper-binding tripeptide targeting dermal papilla cells and hair follicles. Stimulates hair follicle elongation, promotes cell proliferation, increases VEGF production, and inhibits TGF-β1. Supports skin regeneration through fibroblast activation and collagen synthesis.

Mechanism of Action

AHK-Cu penetrates scalp delivering copper directly to dermal papilla cells. Activates proliferation pathways, elevates Bcl-2/Bax ratio (anti-apoptotic), increases VEGF for blood flow, reduces TGF-β1, and promotes SOD production for oxidative stress reduction.

Key Benefits

  • Hair follicle elongation stimulation
  • Dermal papilla cell proliferation
  • VEGF upregulation for improved scalp circulation
  • TGF-β1 reduction (counters DHT effects)
  • Anti-apoptotic protection for follicles
  • Collagen synthesis support
  • Convenient topical application
  • Fibroblast activation for skin regeneration

Quick Stats

Typical Dose
0.5-1% topical solution/serum
Frequency
Once or twice daily application
Cycle Duration
12-24 weeks minimum for hair growth, ongoing for maintenance
Storage
Topical preparations: 2-8°C refrigerated in dark glass container, use within 30 days. Protect from light and heat

Molecular Information

Molecular Weight
416.9 Da
Length
3 amino acids
Type
Copper tripeptide complex
Half-Life
Not established

Amino Acid Sequence

L-Alanyl-L-Histidyl-L-Lysine (Ala-His-Lys)

Modifications

Complexed with divalent copper ion (Cu²⁺) Synthetic analog of GHK-Cu with alanine replacing glycine

Research Indications

The following information is derived from published scientific literature and is provided for educational and research reference purposes only. It does not constitute medical advice, diagnosis, or treatment recommendations. These peptides are not approved for human use and are sold exclusively for in-vitro laboratory research.

Hair Follicle Elongation

Most Effective

Ex vivo studies demonstrate AHK-Cu stimulates human hair follicle elongation at concentrations as low as 10⁻¹² M, promoting longer anagen phase.

Dermal Papilla Cell Proliferation

Most Effective

Increases proliferation of dermal papilla cells, the key regulatory cells for hair follicle cycling and hair growth.

VEGF Upregulation

Most Effective

Boosts vascular endothelial growth factor production, improving blood flow and nutrient delivery to hair follicles.

Anti-DHT Mechanism

Most Effective

Reduces TGF-β1 secretion and oxidative stress (via SOD), both contributing to DHT-induced follicle miniaturization.

Fibroblast Stimulation

Effective

Activates fibroblast proliferation and collagen synthesis for improved skin structure and wound healing.

Anti-Apoptotic Effects

Effective

Elevates Bcl-2/Bax ratio and reduces caspase-3 activation, protecting cells from programmed death.

Extracellular Matrix Support

Effective

Promotes collagen and ECM component deposition for tissue renewal and repair.

Dosing Protocols

topical

Primary and most researched delivery route. Penetrates scalp and skin to target dermal papilla cells and fibroblasts. Most effective for hair growth and skin regeneration applications.

Goal Dose Frequency Route
Hair Growth - Scalp Application 0.5-1% solution/serum Once or twice daily Topical to scalp
Hair Growth - Combined Protocol 0.3-0.5% AHK-Cu with minoxidil Once or twice daily Topical to scalp
Skin Regeneration 0.3-1% in serum/cream Once or twice daily Topical to skin
DIY Formulation Add 0.3-1% to water phase Cool-down phase (<40°C) Custom formulation

Key Tips

  • Non-invasive application method
  • Well-researched and established protocols
  • Easy daily incorporation into skincare routine
  • Direct local delivery to target tissues
  • Minimal systemic absorption
Materials Needed
AHK-Cu powder (99% purity) Distilled water or suitable carrier (alcohol-free) pH meter or strips (target pH 5.5-7.0) Dark glass dropper bottle for storage Sterile work surface
Steps
  1. 1 Calculate amount needed for desired concentration (e.g., 100mg for 1% in 10mL)
  2. 2 Dissolve AHK-Cu powder in distilled water or water phase of formulation
  3. 3 Verify pH is between 5.5-7.0 - adjust if necessary (avoid pH below 5)
  4. 4 Add to cool-down phase of formulation (<40°C / 104°F) - heat degrades peptide
  5. 5 Mix gently until fully incorporated - do not shake vigorously
  6. 6 Transfer to dark glass container to protect from light
  7. 7 Store refrigerated at 2-8°C
  8. 8 Use within 30 days of preparation

injectable

Limited research compared to topical. Some practitioners use injectable AHK-Cu via mesotherapy (microinjections) for scalp and facial rejuvenation.

Goal Dose Frequency Route
Mesotherapy - Scalp (Practitioner) 0.1-0.5 mg per injection site Weekly sessions Intradermal microinjections
Research Protocol 1-5 mg 2-3 times weekly SubQ

Key Tips

  • Direct delivery bypassing skin barrier
  • Potentially higher bioavailability
  • Systemic effects possible
Materials Needed
AHK-Cu lyophilized powder (pharmaceutical grade) Bacteriostatic water for injection Insulin syringes (29-31 gauge) Alcohol prep pads
Steps
  1. 1 Use only pharmaceutical-grade AHK-Cu for injection
  2. 2 Reconstitute with bacteriostatic water to desired concentration
  3. 3 Verify solution is clear with characteristic light blue color
  4. 4 Filter through 0.22 μm sterile filter before use
  5. 5 Store refrigerated at 2-8°C
  6. 6 Use within 14-21 days of reconstitution

Peptide Interactions

GHK-Cu

Synergistic

Complementary copper peptides targeting different aspects of tissue regeneration. GHK-Cu excels at skin repair while AHK-Cu targets hair follicles.

Minoxidil

Synergistic

Both promote hair growth via different mechanisms - minoxidil via potassium channel opening and vasodilation, AHK-Cu via dermal papilla stimulation.

Finasteride/Dutasteride

Synergistic

5-alpha reductase inhibitors block DHT production while AHK-Cu may help counter DHT effects on follicles.

Copper Supplements

Avoid

Risk of copper toxicity when combined with additional copper sources. Monitor total copper intake.

BPC-157

Compatible

Different tissue repair mechanisms - BPC-157 promotes systemic healing while AHK-Cu targets skin/hair.

Vitamin C (L-Ascorbic Acid)

Monitor

Low pH of ascorbic acid can destabilize copper peptides. Use at different times.

AHA/BHA Acids

Monitor

Acidic exfoliants can destabilize copper peptide complexes. Use at different times.

Retinol/Retinoids

Monitor

Both are potent actives that can cause irritation. Introduce slowly or use at different times.

Hyaluronic Acid

Synergistic

Excellent combination - hyaluronic acid provides hydration and supports peptide penetration.

What to Expect

Week 1-2

No visible changes; peptide is working at cellular level

Week 2-4

Some users report reduced hair shedding; scalp may feel healthier

Month 1-2

Vellus (fine) hairs may begin appearing in thinning areas

Month 2-3

New growth becoming visible; existing hairs may appear thicker

Month 3-4

Noticeable improvement in hair density and quality

Month 4-6

Significant results visible; continued improvement expected

Month 6-12

Full results achieved with consistent use

Side Effects & Safety

Common Side Effects

  • Generally well-tolerated with excellent safety profile in topical applications
  • Rare scalp irritation (patch test recommended)
  • Potential for mild redness on sensitive skin

Monitoring

  • Avoid use with acidic products (AHAs, BHAs, Vitamin C) - use at different times
  • Do not combine with additional copper supplements - risk of copper toxicity
  • Keep pH between 5.5-7.0 for stability and skin compatibility
  • Store properly - degrades with heat, light, and improper pH
  • Patch test before full application if sensitive skin

Stop Signs

  • Persistent scalp irritation, itching, or burning
  • Allergic reaction: rash, hives, swelling
  • Increased hair shedding that doesn't improve after 4-6 weeks
  • Signs of copper sensitivity: metallic taste, nausea
  • Skin discoloration at application site
  • Any unexpected adverse reactions

Contraindications

  • Not for use on broken or infected skin
  • Avoid eye area - may cause irritation
  • Do not use if allergic to copper or peptides
  • Not recommended during acute skin infections

Quality Checklist

Good Signs

  • Light blue powder - characteristic color from copper complex
  • 99%+ purity with COA - pharmaceutical/cosmetic grade
  • Proper copper complexation - dissolves to clear light blue solution
  • pH-stable formulation - between 5.5-7.0

Warning Signs

  • Liposomal delivery preferred for enhanced penetration and stability

Bad Signs

  • Discolored or degraded appearance - brown, green, or colorless indicates degradation
  • pH below 5.0 - destabilizes copper peptide complex

Research & References

Key References

2007

Tripeptide-Copper Complex Effect on Human Hair Growth In Vitro

AHK-Cu (10⁻¹² to 10⁻⁹ M) stimulated human hair follicle elongation ex vivo and dermal papilla cell proliferation in vitro. Elevated Bcl-2/Bax ratio and reduced cleaved caspase-3/PARP levels indicate anti-apoptotic mechanism.

N/A

Copper Tripeptide Effects on VEGF and TGF-β1

Copper tripeptide complexes increase VEGF production while decreasing TGF-β1 secretion by dermal fibroblasts.

N/A

Human Skin Penetration of Copper Tripeptide In Vitro

Evaluated transdermal delivery of copper tripeptide, demonstrating penetration through skin layers with potential for topical therapeutic applications.

2023

Ionic Liquid Microemulsions for Topical Peptide Delivery

Novel delivery system using thermodynamically stable ionic liquid microemulsions to improve topical delivery and stability of copper tripeptides.

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