Skin is where GHK-Cu has the most human data behind it
In clinical trials with high-dose semaglutide, nausea and vomiting were the most common side effects, which were associated with delayed gastric emptying and occurred in approximately 40% of participants in the studies
The treatments that work for one type often don't translate to another, which is why learning what copper peptides actually do, and which types of alopecia they're relevant to, is important before deciding whether they belong in your routine
These include (but arent limited to): People in search of a gentler anti-aging product Those looking for a skin care active that may be able to tackle multiple concerns Individuals who have tried other actives but havent seen success People with chronic skin inflammation, sun damage, or hyperpigmentation Those with acne or acne scarring Anyone who doesnt mind temporarily smelling like a penny (as discovered by our testers) Overall, copper peptide serums can suit the needs of a wide variety of people
National Academy Press Washington, D.C