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GHK-Cu has plausible complementary mechanisms and better tolerability, making it a reasonable add-on for sensitive skin, but it does not replace retinoids based on current evidence

All peptides at MDTW are sourced from licensed compounding pharmacies

Solid-phase peptide synthesis of D-amino acid chains of this length requires specialized reagents (D-Fmoc amino acids are significantly more expensive than their L-counterparts), extended synthesis times, and careful quality control to ensure correct sequence and sufficient purity

The therapy has resulted in very few adverse effects which were mostly mild, without any reported serious or life-threatening reactions

E.et al (2023)