Source comparisons
Approved comparison material connected to this topic. Only stored records are displayed.
Comparison
The following table compares validated dosing protocols across topical and systemic administration routes documented in peer-reviewed research. Topical (cream/serum) 0.05–1% by weight Once or twice daily Improved skin l…
Source: realpeptides.coComparison
Concentration listed on a product label and the bioavailable dose that reaches target tissue are not the same variable. A 2% GHK-Cu serum applied to intact stratum corneum delivers vastly less peptide-copper complex to …
Source: realpeptides.coComparison
0.01–0.1% Maintenance serum, combination peptide formulas Daily prevention, barrier support, mild photoaging 8–12 weeks for barrier function improvement; limited collagen remodelling Sufficient for users under 35 with m…
Source: realpeptides.coComparison
Subcutaneous Injection 1–2mg in 0.5–1ml BAC water 3× weekly Full dermal + hypodermal delivery 18–23% increase in dermal thickness Highest efficacy but requires injection skill and sterile technique. Gold standard for me…
Source: realpeptides.coComparison
The best GHK-Cu dosage for skin rejuvenation depends entirely on the delivery method you're using. Subcutaneous injection, topical application, and microneedling require completely different concentration and frequency …
Source: realpeptides.coComparison
Research-grade peptide (lab use) 5–10% in solution 0.8–1.6% elemental copper Once daily post-procedure Used in wound healing studies; not intended for intact skin cosmetic use Exceeds cosmetic safety thresholds. Irritat…
Source: realpeptides.coComparison
Subcutaneous Injection 1–3mg daily Once daily 85–90% 6–8 weeks for measurable collagen density increase Highest precision and bioavailability; requires sterile technique and proper storage; ideal for controlled research…
Source: realpeptides.coComparison
Subcutaneous injection protocols in published trials typically use 1–3mg GHK-Cu daily, administered in a single dose. A Phase II study evaluating GHK-Cu for photoaged skin used 2mg daily for 12 weeks and demonstrated st…
Source: realpeptides.co