AHK-Cu Powder (Bulk)

AHK-Cu Powder (Bulk) Product Profile

AHK-Cu Powder (Bulk) is an essential laboratory and formulation supply item required for professional peptide research and cosmetic compounding applications.

Product Specifications

Parameter	Value
Composition	C15H26N6O4•Cu
Mol. Weight	418.0 g/mol
Grade	Cosmetic Grade (>98%)
Appearance	Deep blue crystalline powder

Figure 1: AHK-Cu Powder (Bulk) Overview

Application Details

1. Bulk cosmetic-grade AHK-copper peptide optimized for hair and scalp formulations.
2. Alanine substitution provides enhanced lipophilic penetration into hair follicle sheaths.
3. Suppresses localized DHT conversion by 5-alpha reductase in the dermal papilla.
4. Extends the anagen (active growth) phase of hair follicle cycling.
5. Promotes dermal papilla cell proliferation and hair shaft thickness.

Figure 2: Quality Metrics

Key Notes

• 1: The premier raw material for compounding anti-alopecia topical solutions.
• 2: Formulated at 0.1-0.5% concentration in appropriate carrier vehicles.
• 3: Provides superior follicular penetration compared to standard GHK-Cu.

AHK-Cu in Hair & Scalp Research

AHK-Cu (Alanine-Histidine-Lysine copper complex) belongs to the same copper-binding tripeptide family as GHK-Cu but exhibits a distinct receptor affinity profile. Research has focused on its ability to promote follicular proliferation and counteract miniaturization of the dermal papilla cells that drive androgenetic alopecia. The peptide works through upregulation of vascular endothelial growth factor (VEGF) in the perifollicular vasculature, improving nutrient delivery to the hair bulb.

1. AHK-Cu binds Cu²+ ions and is transported to dermal papilla cells via integrin-mediated endocytosis.
2. Once internalized, the complex activates the Wnt/β-catenin signaling cascade, which is the master regulator of hair follicle cycling.
3. VEGF secretion increases in surrounding mesenchymal tissue, expanding perifollicular capillary density.
4. Follicular keratinocytes shift from telogen (resting) to anagen (growth) phase at a statistically accelerated rate in treated versus control groups.
5. Concurrently, the copper ion upregulates local antioxidant enzymes, protecting newly forming hair shafts from oxidative damage.

Formulation Guidelines

• Target Concentration: 0.5–3% w/v in aqueous serums or leave-on scalp treatments. Higher concentrations have been used in clinical-grade formulations without reported irritation.
• Vehicle Compatibility: Soluble in water and hydroalcoholic bases. Compatible with hyaluronic acid, niacinamide, and panthenol. Avoid co-formulating with strong chelators (EDTA above 0.1%) that may strip the copper ion.
• pH Window: Optimal stability between pH 5.0–6.5. Outside this range, the copper complex may dissociate, reducing efficacy.
• Delivery Enhancement: Liposomal encapsulation or microneedling-assisted delivery significantly improves penetration past the stratum corneum to reach the follicular bulge region.
• Contraindications: Do not combine with L-ascorbic acid (Vitamin C) at concentrations above 5%, as ascorbate reduces Cu²+ to Cu¹+, destabilizing the complex and potentially generating free radical intermediates.

Comparative Advantage Over GHK-Cu

While GHK-Cu remains the most extensively published copper peptide for skin rejuvenation, AHK-Cu demonstrates a stronger binding affinity for follicular receptors in comparative assays. Researchers investigating trichology-specific applications often prefer AHK-Cu as the primary active, reserving GHK-Cu for broader dermal repair formulations. Combination protocols using both peptides are also under investigation, as the two compounds appear to activate complementary regenerative pathways without competitive inhibition.