Many creams also include hydrating ingredients for a soft feel
Tap water that tastes metallic typically has an elevated presence of metals such as iron, zinc, and/or manganese
It upregulates genes involved in collagen synthesis (COL1A1, COL3A1, COL5A1), extracellular matrix remodeling (decorin, fibromodulin), and antioxidant defense (superoxide dismutase, glutathione peroxidase) while simultaneously suppressing genes associated with inflammation (IL-6, TNF-alpha), fibrinogen production, and tissue destruction (several MMPs)
However, some may experience mild, temporary irritation, redness, or even minor breakoutsoften referred to as 'copper peptide uglies'especially when first starting or using higher concentrations