Answer-first: topical GHK-Cu supports collagen and skin remodeling, which can improve overall texture, but strong acne-scar-specific trial data is limited
The study protocol was registered in the International Prospective Register of systematic reviews PROSPERO (CRD420251002447)
It is also found in several foods, with red meats, such as beef and lamb, being its richest sources
153 Despite challenges such as compensatory upregulation of alternative transporters and feedback activation of resistance pathways, the transportome remains a tractable and druggable vulnerability
There was a similar trend of fibrinogen level decrease from day 1 to 21 in the placebo group ( p = 0.057)
Thus, Sirt1 appears to function as an endogenous negative regulator of stemness activating genes