If your study focuses on Hair & Skin Research for surface-level effects, topical application concentrations will differ vastly from systemic investigations into, say, Longevity Research or cellular repair
Peptides can play a key role in promoting better health
If you are curious whether GHK Cu peptide support makes sense for your skin, recovery, or longevity plan, reach out to You Holistic Functional Medicine and Longevity Center in Exeter, New Hampshire
However, as noted by Hindryckx et al., their use is associated with an increased risk of infections, including the reactivation of latent tuberculosis, which is particularly problematic in immunocompromised individuals 63
Braak H, Del Tredici K, Rb U, De Vos RA, Steur ENJ, Braak E
One of the most important of these is selenium, which has a role in preventing cellular oxidation, disease resistance, muscle function and fertility