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My brother suffered no side effects
GHK-Cu vs retinol Retinol : Increases cell turnover Can be irritating Requires sun protection Proven anti-aging effects Works quickly (weeks) GHK-Cu : Promotes tissue remodeling Very gentle No photosensitivity Excellent safety profile Works gradually (months) Winner : Depends on skin sensitivity
This led to improvement of B 12 level to 1,793 pg/mL
The article also highlights preclinical findings, possible mechanisms of action, safety considerations, and common FAQs to help readers understand its therapeutic potential
10.1038/nature11152
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