ghk-cu: GHK-CU Copper Peptide, Face Cream, 2 oz (60 ml) Nurture and nourish reactive skin with this two Natural Copper Peptide Serum Booster

Headaches and fatigue also appear in clinical data, though they are less common than gastrointestinal effects

Results vary depending on your starting levels and health goals

If you can find and eliminate the source of the damage, your skin's protective barrier can recover on its own

When used in topical formulations, the most commonly reported issues are localised and mild, and may include: Skin irritation or redness at the site of application Contact dermatitis in individuals with sensitive skin or known peptide sensitivities Scalp itching or tingling , which may be transient The following precautions are advised: Avoid application to broken, inflamed, or irritated skin , and keep the product away from the eyes and mucous membranes