Ask sales for the lot-numbered COA matched to the offered or supplied batch; it records the tests actually completed, their specifications, and the reported results.
Review the matching batch COA for the analytical scope and results recorded for that lot.
Matching batch COA available.
PCAC will review 7 peptides for the 503A bulks list, BPC-157, KPV, TB-500, MOTS-c, Emideltide, Semax, Epitalon. Read our briefing →
PCAC will review 7 peptides for the 503A bulks list. Read →
FDA PCAC reviews 7 peptides in July. Read →
Beauty / repair multi-peptide blend (commonly GHK-Cu + BPC-157 + TB-500)
Overview
GLOW Blend is a multi-peptide pre-blended product combining three mechanistically distinct peptide actives: GHK-Cu (the copper-binding cosmetic tripeptide), BPC-157 (the repair-signaling pentadecapeptide), and TB-500 (the actin-binding Thymosin β4 fragment). The combination targets the intersection of cosmetic and repair biology, GHK-Cu provides dermal and follicular signaling through copper-peptide pathways, while the BPC-157 + TB-500 combination contributes the tissue-repair signaling profile from the standard Wolverine-blend chemistry. The three-component formulation is most commonly used in med-spa and distributor workflows where a single blended product simplifies the protocol versus managing three separate peptide inventories. PeptideXpo supplies GLOW Blend as a co-lyophilized 70 mg vial with each component at ≥99.0% HPLC purity. Standard ratios are configurable per OEM specification, typical formulations weight the GHK-Cu component more heavily than the repair peptides because GHK-Cu's cosmetic-tissue use levels are higher than the BPC/TB-500 research dose ranges. The release packet certifies each of the three component purities individually plus the actual ratios in the released vial. As with all copper-peptide-containing products, the visible blue color of the lyophilizate is the diagnostic check for intact Cu(II) coordination on GHK-Cu, a colorless or pale cake indicates copper dissociation.
Who buys this, and why
Custom-blend buyers are almost always OEM clients building a branded product around a specific ratio of two or more peptides. The development workflow is collaborative: ratio target, analytical method to verify it, stability protocol in the chosen carrier, and packaging selection are all defined in the OEM brief before the first commercial run. Sample-stage volumes are usually 5-10 g of finished blend; commercial MOQ depends on the components.
Primary buyer fit: medical aesthetic clinics and med spas and regional distributors and re-sellers.
Specifications
Documentation available on request
Regulatory note
Sold as a multi-peptide active for research and for OEM-formulated finished products under the receiving brand's regulatory framework. Blend composition, finished-product safety, labeling claims, and notification responsibilities remain with the brand owner. Request the matching batch COA and agree any component-level analytical data before quotation.
Frequently asked questions
The three peptides target complementary aspects of dermal and tissue biology. GHK-Cu provides cosmetic dermal signaling through copper-peptide pathways (collagen synthesis, anti-aging effects); BPC-157 contributes nitric-oxide-pathway and growth-factor-receptor cross-talk relevant to vascular and tissue-repair signaling; TB-500 contributes actin-binding-driven cellular migration relevant to tissue remodeling. The combined formulation targets the intersection of cosmetic and repair biology, which is most relevant to med-spa and aesthetic-medicine contexts where both anti-aging and repair signaling matter. The standard 70 mg fill matches typical med-spa preparation volumes.
The visible blue color of the GLOW Blend lyophilized cake comes from the GHK-Cu copper coordination, intact Cu(II)-peptide complex absorbs at the d-d electronic transition wavelengths that produce the blue color. A colorless or pale cake indicates copper dissociation on the GHK-Cu component, even if the BPC-157 and TB-500 components are intact. The blue color check is therefore the operational QC indicator at receipt and during use; buyers should verify that the lyophilizate is uniformly blue and that the reconstituted solution retains visible color before use. For formulation considerations specific to the GHK-Cu component, see our [GHK-Cu cosmetic formulation guide](/insights/ghk-cu-cosmetic-formulation-guide).
Related peptides
3-mer
Copper tripeptide-1
15-mer
Body Protection Compound 15-mer
43-mer
Thymosin β4 fragment