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The retinoid comparison makes GHK-Cu discontinuation appear favorable since copper peptide cessation typically produces gradual benefit decline without rebound worsening or dramatic rapid reversal
Where many anti-aging actives rely on isolated in vitro studies or small-scale clinical trials, GHK-Cu benefits from a body of research spanning molecular biology, genomics, clinical dermatology and reconstructive surgery
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Why choose reduced glutathione (GSH) over other forms
They love experimenting and (more than that) they love pushing natural ingredients to their limit
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Source: Sonthalia et al., 2016 It works
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