Most people tolerate them well, with minimal side effects
Gore M, Brandenburg NA, Dukes E, Hoffman DL, Tai KS, Stacey B
These include: Neurological symptoms : tingling or numbness in hands and feet (peripheral neuropathy), difficulty walking or balance problems, memory difficulties, or mood changes including depression Haematological signs : persistent fatigue, weakness, pale or jaundiced skin, or shortness of breath Glossitis : a sore, red, smooth tongue Cognitive symptoms : difficulty concentrating, confusion, or "brain fog" Seek urgent medical attention if you experience rapidly worsening neurological symptoms, significant difficulty walking, severe paraesthesia, or marked cognitive decline, as these may require immediate assessment
If your goals include skin quality, the collagen stimulation from GHK-Cu pairs with the surface-level remodeling from RF microneedling
Its lack is linked to sensory disorders like tinnitus