doi: 10.1016/j.freeradbiomed.2009.12.022
Topical vs Injectable Tolerability Topical GHK-Cu appears better tolerated than injectable forms, with topical side effects typically limited to mild redness, itching, or irritation at application site and rare copper uglies phenomenon (anecdotal accelerated skin aging appearance due to potential MMP upregulation, not well-studied)
BPC-157 supports this function by modulating inflammatory pathways, promoting microvascular regeneration, and accelerating epithelial turnover
Before trying any new product, do a patch test on your wrist or behind your ear to make sure it's suitable for your skin
1 Separately, GHK-Cus broad anti-inflammatory and antioxidant profile is relevant because chronic perifollicular micro-inflammation and oxidative stress are implicated in follicle decline
Thats where targeted supplementation comes in