As of April 2026, the FDA announced removal of injectable GHK-Cu from the Category 2 restricted list, with formal implementation expected July 2026
Good candidate if you have: Clear skin for 2+ months Controlled oil production Post-acne scarring (PIH, atrophic scars) Aging skin concerns Post-procedure healing needs Not yet if you have: Active breakouts (weekly or more) Uncontrolled oily skin Cystic acne Hormonal acne patterns Very sensitive/reactive skin Research smarter, not harder
Duma, J
Br J Urol 1994;74(2):210213
Conclusion Cysteine metabolism plays a crucial role in the pathogenesis of AA, impacting diverse biological pathways ranging from oxidative stress and disturbances in keratin functionality to autophagy, immunity and ferroptosis
A true liposomal supplement requires high-quality phospholipids, usually sourced from non-GMO sunflower oil, and a manufacturing process that ensures the liposomes are the correct size and stability