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Key limitation: With only 3 patients per group, even a single unusually responsive or non-responsive patient could substantially skew the results

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Follicular Dysfunction: Androgenetic alopecia and hair density decline Cicatricial Conditions: Atrophic scarring and textural irregularities Barrier Dysfunction: Compromised skin integrity and protective function Regenerative Mechanisms: GHK-Cu functions through sophisticated molecular signaling that activates multiple regenerative pathways simultaneously