What are the signs that GHK-Cu is working for wound healing?

Positive signs include improved wound closure rate, reduced redness and inflammation, enhanced tissue granulation, and decreased pain at the wound site. These improvements typically become noticeable within 1-2 weeks of consistent use. New tissue should appear healthier and more vascularized as healing progresses. <a href='https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4594048/' target='_blank'>GHK-Cu wound healing markers</a>