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A new function for selenoproteins as peroxynitrite reductase
Key Takeaways The topical GHK-Cu copper peptide stands out as a well-researched and clinically proven topical skin care ingredient
Efficacy: Studies show they can work well, especially if youre patient and consistent for a few months
"Placebo-controlled" means the control group receives an identical-looking but inactive product, so any improvement in the treatment group can be attributed to the active ingredients rather than the act of applying something
It also helps to make your skin softer, and well hydrated
GSH/GSSG, thioredoxin/ thioredoxin reductase, and cysteine/cystine [22]
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