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Visible changes in skin firmness and hair density build over weeks, not days
Additional information suggests that GHK-Cu influences gene expression related to skin regeneration, activating genes that promote skin repair and recovery (3)
The protein actin is necessary for these cells to migrate to the wound site (1)
It is a valuable ingredient in scalp serums, hair tonics, and conditioning treatments targeting thinning or fine hair
(n.d.-c)
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