The proposed skin lightening effect, to the extent it occurs, affects overall melanin type rather than specific pigmented areas
,
The short answer is that there is no significant clinical evidence suggesting that collagen supplements directly cause abnormal menstrual bleeding
While genetics play a significant role, research increasingly points to oxidative stress as a primary driver of follicle aging
It works best as one biological variable within a broader strategy that includes therapy, sleep, exercise, and where appropriate medication
Unlike many cosmetic ingredients that focus solely on surface appearance, GHK-Cu is often studied for its role in skin repair, tissue regeneration, and the biological processes that help maintain skin quality over time