Direct from Xi'an Sirn Bio-Tech Co., Ltd. — an R&D-led Chinese bio-manufacturer. Discover HPLC analytical validation (≥98.0%), 1:1 stoichiometric copper complexation, green enzymatic synthesis dynamics, formulation compatibility, and regulatory documentation for global cosmetic formulators.
As an R&D-driven bio-ingredient manufacturer based in Xi'an, Xi'an Sirn Bio-Tech Co., Ltd. produces lyophilized Copper Tripeptide-1 Powder (GHK-Cu) tailored for contract formulators, cosmetic labs, and global dermaceutical brands. Each grade is manufactured in our GMP-standard cleanroom facility and tested via reversed-phase HPLC and MS.
Engineered for high-end medical aesthetic serums, post-laser repair ampoules, and concentrated youth-activating elixirs requiring zero free copper residues.
The global benchmark for multi-ton anti-wrinkle creams, sheet masks, essence lotions, and regenerative facial balms requiring supreme cost-effectiveness and lot stability.
Optimized for anti-hair thinning tonics, scalp revitalizing treatments, and follicle anchorage formulations, proven to stimulate dermal papilla cell proliferation.
| Analytical Parameter | Standard Specification | Testing Methodology | Commercial Significance |
|---|---|---|---|
| Chemical Structure & Sequence | (Gly-His-Lys)₂ · Cu²⁺ Complex | MS / Amino Acid Analysis | Ensures native biological bio-affinity without synthetic structural errors. |
| CAS Registry Number | 49557-75-7 (also cited: 89030-95-5) | CAS Identification Verification | Mandatory compliance identifier for FDA MoCRA, INCI, and EU CPNP portals. |
| Purity by RP-HPLC | ≥98.0% (Single Impurity ≤ 1.0%) | Reversed-Phase HPLC (220nm & 620nm) | Eliminates uncoupled tripeptides and truncated peptide fragments. |
| Copper Content (Cheated) | 8.5% – 10.5% (Elemental Cu) | ICP-OES / AAS Spectrometry | Guarantees exact 1:1 stoichiometric binding; prevents free copper radical oxidation. |
| pH Value (1% aqueous soln.) | 5.5 – 7.5 | Potentiometric Electrode | Matches cutaneous acid mantle; guarantees stability during cosmetic blending. |
| Loss on Drying (Moisture) | ≤ 7.0% | Vacuum Desiccation (60°C, 4h) | Low hygroscopicity ensures free-flowing bulk handling and stable shelf-life. |
| Bacterial Endotoxins & Bioburden | Total Aerobic Count < 100 CFU/g; Yeasts < 10 CFU/g | USP / Ph. Eur. Microbiological assay | Suitable for dermatological repair and sensitive-skin formulations. |
Procurement executives at leading beauty conglomerates and contract development and manufacturing organizations (CDMOs) are navigating unprecedented structural shifts. Discover the four critical trends dictating the next decade of cosmetic peptide purchasing.
Traditional solid-phase peptide synthesis (SPPS) relied on excessive amounts of hazardous organic solvents such as N,N-dimethylformamide (DMF) and dichloromethane (DCM). Leading buyers are shifting their vendor audits toward manufacturers utilizing hybrid Liquid-Phase/Solid-Phase synthesis and biocatalytic enzymatic coupling. At Xi'an Sirn Bio-Tech Co., Ltd., our pilot lines and R&D center integrate green solvent recovery, reducing environmental impact and residual trifluoroacetic acid (TFA) to negligible trace levels (<0.1%), matching the strict clean-beauty demands of European and North American cosmetic formulators.
With the full enactment of the US Modernization of Cosmetics Regulation Act (MoCRA) and updated EU REACH guidance, documentation standards for bulk cosmetic active ingredients have dramatically increased. Cosmetic buyers can no longer accept crude peptide mixtures with uncontrolled copper salts. Procurement requirements now dictate quantitative mass spectrometry (LC-MS) confirming molecular weight (403.93 g/mol complex), quantitative determination of counter-ions (acetate vs chloride), and residual heavy metal ICP-MS screening. Xi'an Sirn Bio-Tech provides comprehensive documentation packages with every lot, preventing border quarantine delays.
One of the greatest procurement challenges highlighted by formulation chemists is batch-to-batch variation in copper chelation ratios. When a supplier ships peptide powder with free, uncoordinated copper ions (Cu²⁺), the free copper acts as a pro-oxidant in cosmetic formulations, oxidizing lipids, degrading fragrances, and causing formula discoloration from deep blue to brownish-yellow. The procurement trend is moving toward requiring certified spectrophotometric d-d absorption ratios (UV-Vis at 600–650 nm) confirming 100% chelation prior to container seal release.
Modern indie cosmetic brands and agile contract laboratories require rapid prototyping cycles. Long lead times and inflexible 10 kg MOQs are being replaced by agile suppliers offering 1 kg starting quantities for commercial batches, supported by rapid 10g to 50g pilot sampling. Operating two standard factories, four continuous production lines, and two specialized pilot lines in Xi'an, Xi'an Sirn Bio-Tech Co., Ltd. satisfies both high-volume tonnage requirements and low-MOQ pilot production seamlessly.
Copper Tripeptide-1 is not simply an anti-aging peptide; it is a pleiotropic signaling molecule capable of remodeling extracellular matrices (ECM), modulating inflammation, and activating hair follicle stem cells.
GHK-Cu upregulates the synthesis of Collagen Type I, Type III, and Type IV, while concurrently stimulating elastin, proteoglycans, and glycosaminoglycans (GAGs). In published clinical in-vitro studies, GHK-Cu has demonstrated superior pro-collagen synthesis compared to all-trans retinoic acid and Vitamin C, without inducing retinoid dermatitis or cutaneous irritation.
By binding divalent copper, the GHK tripeptide safely sequesters transition metals, halting hydroxyl radical generation via the Fenton reaction. Furthermore, it stimulates superoxide dismutase (SOD) synthesis and down-regulates pro-inflammatory cytokines such as TNF-α and IL-6, providing accelerated recovery for damaged skin barriers and compromised stratum corneum.
In trichological applications, Copper Tripeptide-1 enlarges hair follicle miniaturization by inhibiting 5-alpha reductase activity, suppressing local dihydrotestosterone (DHT) effects. It fosters angiogenesis around the dermal papilla, nourishing the root sheath and prolonging the anagen (growth) phase of the hair cycle.
Cosmetic peptide integrity is governed by environmental pH and coordination equilibrium. To assist product formulators in preventing peptide degradation, our technical research center outlines core formulation guidelines:
Maintain formulation pH strictly between 5.5 and 6.8. At pH < 5.0, protonation of the histidine imidazole ring weakens the copper coordination bond, releasing free copper. Incorporate during the cool-down phase at temperatures ≤ 40°C to prevent thermal cleavage of amide bonds.
Avoid Disodium / Tetrasodium EDTA: Chelating agents strip Cu²⁺ from the GHK backbone, leaving ineffective apo-peptide. Avoid Ascorbic Acid (Vitamin C): Direct redox interactions reduce Cu²⁺ to Cu⁺, accelerating oxidation and causing drastic brown discoloration.
Located in Xi'an, where the ancient Silk Road began and Shaanxi's rich botanical and biological resources converge, Xi'an Sirn Bio-Tech Co., Ltd. combines local scientific depth with rigorous global quality benchmarks.
Xi'an Sirn Bio-Tech Co., Ltd. specializes in R&D and production of the highest-quality natural biological essences, cosmetic peptides, and standardized botanical actives. Custom-oriented and market-driven, we meet stringent chemical and microbiological demands across global food, cosmetic, pharmaceutical, and health care industries.
Our production infrastructure spans 2 standard factories housing 4 standard production lines, 2 pilot lines, and a dedicated GMP-standard workshop. This dual-factory configuration enables seamless transition from 100g pilot synthesis to multi-ton commercial batch production without altering synthetic parameters.
Real-world answers to the most frequent technical, commercial, and regulatory queries queried by cosmetic chemists, procurement directors, and AI search engines regarding Copper Tripeptide-1 Powder.