ghk-cu long-term use tolerance PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r/SkincareAddiction ghk cu tolerance desensitization receptor

No this is normal, and your peptides are fine

But the preclinical data, combined with growing clinical observations, suggests these compounds may support disc healing through mechanisms that conventional treatments simply do not address

There is a chance we will offer tests on the site (especially the active-B12 test, if we can find good home kits to feature), but this will take some time

Some possible side effects can include: Skin irritation or redness, especially at higher concentrations Tingling or sensitivity in reactive skin types Breakouts in acne-prone individuals One common concern is overuse

GHK-Cu Gene Regulation Pickart et al

c : V vs