AHK Copper Peptide

AHK Copper Peptide

We all know the cosmetic peptide GHK cu. Today, let's get to know another peptide similar to it, AHK cu, and what the differences are between them.

1.What is AHK Copper Peptide?

AHK-Cu is a complex formed by a short peptide (tripeptide) composed of three amino acids, alanine (Ala), histidine (His), and lysine (Lys), and copper ions (Cu²⁺). Its molecular formula is C₁₅H₂₆N₆O₄·Cu, and its molecular weight is approximately 353.0 Da (when copper ions are not present).

AHK-Cu usually appears as a blue powder, and its aqueous solution is blue. Due to the presence of copper ions, it has a characteristic color reaction. It is relatively stable in solid state and neutral pH conditions, but copper ion dissociation or peptide chain degradation may occur in strongly acidic environments

The purity requirement of the product is ≥98% (HPLC detection), and the acetate content (≤12%) and moisture content (≤8%) need to be controlled to ensure quality.

2.The role of AHK cu in promoting hair growth

AHK-Cu promotes hair growth not through a single pathway, but through a multi-target and comprehensive biological regulatory process.

1.Promote Angiogenesis - Address the issue of "nutrient supply"

1)Mechanism: There is no direct blood supply to the base of the hair follicle (hair papilla), and its nutrition and oxygen rely on the surrounding capillary network. AHK-Cu can significantly up-regulate the expression of vascular endothelial growth factor (VEGF).

2)Function: VEGF is a core signaling protein that stimulates the formation of new capillaries. More capillaries mean that dermal papilla cells can obtain more sufficient oxygen, nutrients (such as amino acids, vitamins, and minerals), and hormones, thus smoothly transitioning from the Telogen phase to the Anagen phase and supporting the hair shaft to grow healthier and stronger. This is one of its most core mechanisms.

2. Anti-fibrotic - Protecting the "Hair follicle Stem Cell Microenvironment"

1)Mechanism: Certain types of hair loss (such as the later stage of androgenetic alopecia) are accompanied by fibrosis around the hair follicles (tissue hardening and scarring), which permanently destroys the microenvironment (Bulge area) where the hair follicle stem cells are located, leading to the miniaturization or even death of the hair follicles.

2)Function: AHK-Cu can inhibit the activity of transforming growth factor -β1 (TGF-β1). TGF-β1 is a key factor promoting tissue fibrosis. By combating fibrosis, AHK-Cu helps protect the integrity of hair follicle stem cell nests and preserve the spark for the cyclical regeneration of hair follicles.

3. Anti-inflammatory & Immunomodulation

1)Mechanism: Inflammation is a common feature of many types of hair loss, such as alopecia areata and hair loss associated with seborrheic dermatitis. Inflammatory cells can attack hair follicles or disrupt their normal growth cycle.

2)Function: AHK-Cu, through its copper ion core, acts as a cofactor for superoxide dismutase (SOD), effectively eliminating free radicals and alleviating oxidative stress. Meanwhile, it can also inhibit the production of key pro-inflammatory cytokines (such as IL-1, IL-6, TNF-α). A more "peaceful" local environment is conducive to the entry and maintenance of hair follicles during the growth phase.

4. Directly stimulate hair follicle cells and prolong the growth phase

1)Mechanism: In vitro studies have shown that AHK-Cu can directly stimulate the proliferation of dermal papilla cells (DPCs) and keratinocytes.

2)Function: Dermal papilla cells are the "brain" that controls the growth cycle of hair follicles. Stimulating its activity can directly send the "growth" command to the hair follicles. At the same time, promoting the proliferation of keratinocytes helps build a stronger hair shaft. The research also suggests that it may prolong the anagen phase of hair and delay its entry into the catagen and telogen phases by regulating key hair growth signaling pathways such as Wnt/β-catenin.

5. Strengthen hair shafts and improve hair quality

1)Mechanism: AHK-Cu can promote the synthesis of collagen and elastin around hair follicles.

2)Function: This provides a more supportive and healthier connective tissue "scaffolding" for hair follicles, making the grown hair coarser, stronger and less prone to breakage, thereby visually improving hair density and texture.

3. AHK Copper Peptide vs. GHK CU

(1)Common point (the powerful effects that both possess) :

1)Promoting wound healing and tissue repair: Both are extremely strong regenerative signal peptides.

2)Stimulate the synthesis of collagen (I, III), elastin, and glycosaminoglycans (such as hyaluronic acid) : anti-wrinkle, firm, and plump skin.

3)Powerful antioxidant activity: As a mimic of superoxide dismutase (SOD), it eliminates free radicals.

4)Anti-inflammatory effect: Inhibits pro-inflammatory factors such as IL-6 and alleviates inflammatory aging.

5)Promote angiogenesis: Up-regulate VEGF and improve microcirculation.

(2)Differences (with different focuses) :

Except for the AHK Copper peptide, our hot sale cosmetic peptides products as following:

GHK CU

Acetyl Hexapeptide-8

Biotin GHK

Acetyl Octapeptide-3

Palmitoyl Pentapeptide-4

Palmitoyl Tetrapeptide-7

Palmitoyl Tripeptide-5

Acetyl Tripeptide-1

oligopeptide-1/2/6

Oligopeptide-68

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