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Foam / Pill GHK-Cu is a naturally occurring copper peptide that has gained attention for its potential role in supporting skin health, hair wellness, and healthy aging
2011;53(5):2S-48S
Where they differ: GHK-Cu stimulation range: Published studies show GHK-Cu begins stimulating collagen synthesis at picomolar to low nanomolar concentrations (10-12 to 10-9 M), with effects documented on collagen types I, III, IV, and VII
DiGuilio, K
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