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does ghk-cu cause receptor downregulation or tolerance long-term use PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r/SkincareAddiction ghk-cu – ghk-cu immunogenicity or antibody formation
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![does ghk-cu cause receptor downregulation or tolerance long-term use PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r/SkincareAddiction ghk-cu ghk-cu immunogenicity or antibody formation](https://www.tiktok.com/api/img/?itemId=7662412768812846366&location=3&aid=1988&index=1)
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