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A clinical trial of 71 women with mild to advanced photoaging found that daily application of a GHK-Cu facial cream for three months significantly increased skin density and thickness, reduced sagging, and improved the appearance of fine lines and wrinkles compared to placebo
The critical caveat: rodent fat metabolism differs substantially from human fat metabolism
Science (2010) 330(6009):13404
However, an earlier review reported no improvement in reaction time, immediate memory or delayed recall in young adults with cognitive impairment
N-acetylcysteine promotes metastatic spread of melanoma in mice
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