Chronic neuroinflammation has been reported to contribute to serotonergic, dopaminergic, and noradrenergic dysfunction in the brain (Song and Wang, 2011) and to lead to chronic immune dysregulation ( Figure 2 Previous studies found that pro-inflammatory cytokines, including tumor necrosis factor- (TNF-) and interleukin (IL)-6, IL-1, and C-reactive protein (CRP), are markedly increased in the blood and CSF of patients with depression (Hestad et al., 2016
It inhibits tyrosinase, an enzyme involved in melanin production, leading to a reduction in dark spots and a more even skin tone
F., Cuthbert, J
In addition to altering appearance, such deficiencies can weaken skin barrier function and resilience (240)
As a result, copper peptide serums have gradually moved from being a niche laboratory concept to becoming a recognizable category within premium skincare
In addition, most studies are limited by small sample sizes