In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!)
So the truth sits in the middle
The Benefits of Glutathione in Skincare Heres what you can expect when you use glutathione consistently: Brighter, more even tone Reduced appearance of dark spots and pigmentation Improved clarity and radiance Protection from pollution and UV-related stress A stronger, calmer skin barrier Support for firm, youthful-looking skin Reduced inflammation Better results from your other brightening ingredients Think of glutathione as a long-term investment in your skins brightness and resilience
They're a highly complementary pairing Vitamin C brightens and protects
There is no published, peer-reviewed, full-paper randomised human trial with accessible results showing that BPC-157 is effective or safe for any indication
The results directly indicated that the targeting motif RGD-binding peptide RGD-GHK almost totally suppressed the collagenase (MMP-1) expression, resisted H 2 O 2 -induced COL-1 degradation, and simultaneously promoted collagen synthesis compared with GHK alone for cell anti-aging performance