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Learn more about PEG-8 Niacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging
Benefits accrue over weeks to months rather than immediate effects
The "interaction" question, for most patients asking it, involves topical GHK-Cu serums combined with oral metformin
Read the body-composition and synergy framing as theory, not established clinical fact
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