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What makes GHK-Cu unique is that it acts as a cellular signaling peptide, something like a messenger that tells your skin what to do
Therapeutic mechanisms of vagus nerve stimulation
Understanding and Mitigating 'Copper Peptide Uglies' Some individuals may experience a temporary worsening of skin texture, commonly termed 'copper peptide uglies,' upon initial GHK-Cu introduction, manifesting as mild redness, irritation, or temporary breakouts
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