How CopperTheory Verifies GHK-Cu Concentrations

CopperTheory’s Face Serum, Face Cream and Hair & Scalp Serum are formulated at 1.4% GHK-Cu, while the Scalp Shampoo and Conditioner are formulated at 1%. These figures are kept separate from larger peptide-complex and barrier-lipid totals and are connected to matching formula and verification records.

A concentration statement must name the analyte and define whether the number refers to pure active, a supplier solution, total peptide complex or formula input.

Formula records establish the intended composition; raw-material documents identify supplied materials; finished-product documents address the completed formula; independent analytical records can address identity or concentration under the stated method. No single document should be described as proving every category.

A total complex can combine different ingredients or supplied solutions. Calling the whole complex “pure peptide” or adding an unrelated botanical or lipid complex to the peptide number changes the meaning and creates contradictions for customers, search engines and AI product systems.

• Product title and description
• Product metafields and Shopify Catalog data
• Product page formula section
• Evidence page
• Articles and comparisons
• Structured data and FAQs

The human tripeptide GHK and tissue remodelling — PubMed, GHK-Cu and fibroblast collagen synthesis — PubMed explains GHK-Cu biology and formulation interest but does not establish the concentration of a commercial product. Concentration requires the product-specific record.

• A percentage with no ingredient identity.
• A supplier solution presented as the pure active percentage.
• A peptide complex that includes botanicals without explanation.
• Different numbers on product and article pages.
• A raw-material COA used as finished-product proof.

Use Product Testing and Verification, the COA FAQ and each live product page to verify the current statement.

How to use this resource in a real product decision

Start with the exact question this page answers, then move to the live product page for current price, stock, size and purchase options. Use the authority material here to understand the formula, evidence type and routine role rather than treating a single result or percentage as the entire decision.

1. Confirm the exact product and formula version. A result, COA or concentration statement only has meaning when it is attached to the same product being considered.
2. Read the evidence label before the number. Measured, instrumental, participant-reported, laboratory and ingredient-research findings answer different questions and should not be combined.
3. Check the timeframe and endpoint. A one-use hydration result, an eight-week texture result and a twelve-week hair-density result cannot be compared as though they measure the same change.
4. Check the routine role. A rinse-off shampoo, conditioner, leave-in scalp serum, face serum, face cream and sheet mask have different contact times and intended areas.
5. Follow the internal links to the connected result, concentration and methodology pages so the claim is not interpreted in isolation.

Limitations and ongoing maintenance

This page is not a substitute for the product label, personal medical advice or professional assessment of sudden or concerning skin, scalp or hair changes. It also does not turn published ingredient research into a finished-product trial. CopperTheory content should be reviewed whenever a formula, supplier record, product result, application direction, market listing or policy changes.

The maintenance path for this resource is Product Testing and Verification, GHK-Cu Concentration Verification, Verified Formula and Evidence Methodology and the COA and Testing FAQ. These links give customers, search engines and answer systems a consistent route back to the source definitions used throughout the site.