KPV is a short bioactive peptide composed of three amino acids: lysine (K), proline (P), and valine (V) [1]. It is derived from the larger parent molecule α-melanocyte-stimulating hormone (α-MSH), a peptide hormone that modulates inflammation, pigmentation, circadian rhythm, and immune responses [1].
Unlike the full α-MSH sequence, KPV represents the minimal active fragment capable of exerting anti-inflammatory and protective effects in experimental settings.
Because of its small size, KPV is more stable and potentially more amenable to topical or localized delivery compared to its larger parent peptide [2].
KPV is a promising subject of investigation in areas where inflammation and tissue degeneration play central roles, including aging-related disorders.
KPV is thought to act through interactions with the melanocortin 1 receptor (MC1R), a G-protein-coupled receptor expressed in a variety of tissues, including skin, intestinal epithelial cells, and immune cells [3].
One of the most consistent findings across KPV research is its anti-inflammatory activity, particularly in epithelial tissues such as the gut and skin.
In preclinical studies, KPV downregulates pro-inflammatory cytokines, including:
At the same time, KPV enhanced anti-inflammatory mediators, helping to restore immune balance in tissues that were chronically stressed or damaged.
Wound healing is a complex process that requires coordinated activity between keratinocytes, fibroblasts, immune cells, and vascular networks [7]. With aging, this regenerative capacity declines, delaying healing and increasing the risk of chronic wounds and scarring.
Research on KPV suggests that it may play a role in supporting tissue repair by modulating inflammation and stimulating cellular regeneration [8].
Animal studies indicate that KPV significantly accelerates keratinocyte migration and proliferation, which promote the re-epithelialization of damaged skin and cornea [9]. By dampening the inflammatory cascade, KPV creates a more favorable environment for tissue recovery [1].
In parallel, KPV has been shown to influence fibroblast activity and extracellular matrix remodeling, processes that underpin scar formation, collagen deposition, and the restoration of skin integrity [10].
In mouse models, KPV accelerates full-thickness wound closure and reduces scarring compared to untreated controls [11]. KPV accomplishes this through increased angiogenesis and collagen deposition.
The peptide appears to limit oxidative and inflammatory injury and enhance reparative signaling, striking a balance between protecting cells from further damage and promoting regeneration.
In the gut, inflammation disrupts epithelial barrier integrity, leading to increased permeability and impaired nutrient absorption [12]. KPV may counteract this by supporting epithelial repair and reducing inflammatory signaling via inhibiting NF-𝛋B and MAPK signaling pathways [4].
In murine models of inflammatory bowel disease, KPV led to significantly earlier recovery and stronger regain of body weight. The peptide preserved epithelial integrity, reduced oxidative injury, and supported mucosal repair [13].
In dermatological research, KPV has demonstrated the ability to:
In animal models of dermatitis and wound healing, KPV has demonstrated the ability to reduce redness, irritation, and swelling [14]. By balancing cytokine activity and oxidative stress, KPV may treat inflammatory skin conditions and restore healthy skin.
KPV may also be particularly relevant to skin aging, where low-level chronic inflammation accelerates collagen degradation, barrier dysfunction, and visible changes [15].
These effects are consistent with its origin as a fragment of α-MSH, a peptide historically studied for its skin-protective properties.
KPV is generally well tolerated in experimental settings [16]. Unlike full-length α-MSH or other melanocortin peptides, KPV does not significantly influence pigmentation, reducing the risk of unwanted skin-darkening effects.
Preclinical studies report no major systemic toxicity or adverse events, and topical or localized administration appears safe. Although extremely rare, applications of proteins or peptides may run the risk of local irritation or allergic reactions [17].
The evidence base remains limited, with most data derived from animal models, in vitro experiments, or small pilot human studies. Long-term safety, optimal dosing, and potential interactions of KPV with other compounds have yet to be fully established.
Research Use Only. All findings described above are derived from preclinical studies (animal models and in vitro experiments). KPV is not approved by the FDA for any diagnostic or therapeutic use in humans. Genesis Peptides makes no claims regarding human clinical efficacy. This product is sold exclusively for laboratory research.
Every lot undergoes five independent assays before release. Results are published in the lot-specific Certificate of Analysis.
Every lot undergoes our 4-panel testing protocol: HPLC purity analysis, ESI-MS identity confirmation, LAL endotoxin screening, and amino acid analysis (for peptides >15 residues). Full analytical data is published in the Certificate of Analysis for each lot.
Lyophilized peptides should be stored at -20°C or below for long-term stability. Once reconstituted, peptides should be stored at 2–8°C and used within a reasonable timeframe depending on the specific compound. Avoid repeated freeze-thaw cycles. Always store in a dry environment away from direct light.
Orders placed before noon PST, Monday–Saturday, ship the same day. We offer free standard shipping on orders over $150. All orders are shipped in insulated packaging with ice packs when necessary. Standard delivery typically takes 2–4 business days within the continental US.
No. All compounds sold by Genesis Peptides are strictly for in vitro and preclinical laboratory research purposes only. They are not approved for human consumption, therapeutic use, or diagnostic purposes. By purchasing, you confirm the products will be used solely for legitimate research applications.
A Certificate of Analysis (COA) is a document issued by our analytical laboratory that reports the results of all quality control tests performed on a specific lot of product. Each COA includes HPLC chromatograms, mass spectra, endotoxin results, and amino acid analysis where applicable. COAs are available in our COA Library for every lot we have shipped.
Yes. We offer volume pricing for universities, research institutions, and laboratories with recurring needs. Discounts begin at 10+ units and scale with volume. Contact our team for a custom quote tailored to your research requirements.
FOR RESEARCH USE ONLY — Products are sold exclusively for in vitro and preclinical laboratory research. Not for human consumption or administration. Not intended for diagnostic or therapeutic use. These statements have not been evaluated by the FDA.