Description

Product Description

Acetylarginyltryptophyl diphenylglycine is a synthetic bioactive tripeptide that has gained significant attention in the field of cosmetic peptide research due to its ability to modulate multiple skin-aging pathways. Structurally, it is derived from the amino acids arginine, tryptophan, and diphenylglycine — components that contribute both to its signaling properties and its antioxidant potential. Researchers have explored its role in cellular communication, collagen synthesis, and protection against oxidative stress, making it a promising molecule for anti-aging and skin restoration studies.

At the molecular level, Acetylarginyltryptophyl diphenylglycine interacts with fibroblast receptors involved in extracellular matrix remodeling. By stimulating fibroblast activity, it helps enhance the synthesis of collagen types I and III, which are essential for maintaining skin firmness and elasticity. In vitro studies indicate that this peptide may also reduce the degradation of structural proteins by inhibiting matrix metalloproteinases (MMPs) — enzymes that are upregulated during aging and UV exposure.

From an antioxidant perspective, Acetylarginyltryptophyl diphenylglycine acts as a free-radical scavenger, protecting skin cells from oxidative stress induced by environmental aggressors such as pollution, UV radiation, and chemical irritants. Its acetylated structure enhances its cell permeability and stability, making it more effective in penetrating the skin barrier in cosmetic formulations.

In cosmetic research applications, this peptide is often used to investigate pathways related to skin firmness, elasticity, wrinkle reduction, and overall dermal rejuvenation. It has also been studied for its synergistic potential with other cosmetic peptides, antioxidants, and hydrating agents, such as palmitoyl tripeptide-5, acetyl hexapeptide-8, and hyaluronic acid. The combined effects of these compounds can produce greater improvements in skin barrier integrity and hydration levels.

Researchers have observed that when Acetylarginyltryptophyl diphenylglycine is incorporated into cosmetic formulations, it promotes dermal density and reduces transepidermal water loss (TEWL), leading to enhanced smoothness and resilience. This makes it a valuable molecule for in vitro testing in skin-aging, collagen-regeneration, and barrier-repair studies.

In conclusion, Acetylarginyltryptophyl diphenylglycine serves as a scientifically relevant model compound for the study of peptide-based dermocosmetic innovations. Its multifunctional effects — from stimulating extracellular matrix production to counteracting oxidative damage — make it a vital component for research into anti-aging, anti-wrinkle, and skin-repair mechanisms.

Product Specifications

Mechanism of Action

The mechanism of Acetylarginyltryptophyl diphenylglycine centers around cellular signaling, oxidative stress modulation, and extracellular matrix reinforcement. Its unique tripeptide structure allows it to mimic endogenous signaling molecules that trigger collagen synthesis and tissue repair.

1. Collagen Stimulation:
   The peptide activates fibroblast receptors, increasing the transcription of collagen genes such as COL1A1 and COL3A1. This upregulation helps to maintain dermal structure and reduce fine lines by increasing skin density.

2. Matrix Metalloproteinase Inhibition:
   It downregulates MMP-1 and MMP-9 activity, enzymes responsible for collagen degradation. This protective action helps preserve the integrity of the skin’s extracellular matrix.

3. Antioxidant and Cellular Protection:
   Through its tryptophan residue, Acetylarginyltryptophyl diphenylglycine neutralizes reactive oxygen species (ROS) and minimizes oxidative stress in dermal fibroblasts. This not only reduces oxidative damage but also maintains mitochondrial function and cellular energy balance.

4. Barrier Repair and Moisture Retention:
   By supporting the synthesis of ceramides and intercellular lipids, this peptide improves the epidermal barrier and enhances moisture retention. Research indicates that it may reduce inflammation-induced barrier damage, making it an important molecule for sensitive skin research.

5. Synergistic Interactions:
   In advanced cosmetic peptide formulations, Acetylarginyltryptophyl diphenylglycine often works synergistically with peptides such as palmitoyl pentapeptide-4 (Matrixyl) and acetyl hexapeptide-8 (Argireline) to produce enhanced anti-aging effects. Together, these compounds stimulate collagen renewal and improve dermal smoothness.

   

Side Effects

In laboratory research, Acetylarginyltryptophyl diphenylglycine has shown a favorable safety and tolerability profile. Cytotoxicity assays and irritation tests have indicated minimal adverse responses when used within experimental concentration ranges.

• No observed cytotoxicity in fibroblast or keratinocyte cultures.

• Non-irritating and non-sensitizing in reconstructed human epidermis models.

• Stable under physiological conditions, with low degradation risk.

Nevertheless, as with all research-grade materials, it is recommended to handle this compound under controlled laboratory conditions. Direct application on human subjects is not permitted.

Researchers should store the compound properly, wear appropriate protective equipment, and follow laboratory biosafety protocols to prevent contamination or degradation.

Keywords

Acetylarginyltryptophyl diphenylglycine, CAS 1334583-93-5, bioactive peptide, cosmetic peptide, anti-aging peptide, collagen synthesis, antioxidant peptide, wrinkle reduction, China peptide manufacturer, peptide wholesale China, high-purity peptide supplier, OEM cosmetic peptide production.

Shipping Guarantee

All shipments are handled using validated cold-chain logistics to preserve peptide integrity. Each package is sealed in moisture-proof containers with secondary protective wrapping and continuous temperature monitoring. Products are shipped via express international couriers with full tracking and insurance coverage.

Trade Assurance

We ensure product authenticity, verified ≥99% purity, and compliance with analytical standards (HPLC, MS, and NMR). Each batch is supplied with a Certificate of Analysis (CoA). Our trade assurance policy guarantees replacement or refund for any deviation from listed specifications.

Payment Support

We provide flexible and secure global payment options to support international research transactions. Accepted payment methods include PayPal, major credit cards (Visa, MasterCard, American Express), telegraphic transfer (T/T), and cryptocurrencies (USDT, Bitcoin, Ethereum). All transactions are protected by industry-standard encryption and verified payment gateways to ensure confidentiality and fund security.

Disclaimer

All products listed are intended for laboratory research use only and not for human or veterinary use. They are not drugs, medical devices, or diagnostics and should not be administered to humans or animals. Researchers must handle all materials in accordance with institutional biosafety and chemical safety guidelines. The information provided is for scientific reference only and does not imply therapeutic efficacy, safety, or regulatory approval.