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GHK-Cu stimulates fibroblaststhe cells responsible for producing collagen and elastinhelping to restore skin structure and reduce visible signs of aging

Its mechanisms include modulation of neurotransmitter signaling that promotes slow-wave activity, reduction of nighttime cortisol and stress hormone interference with sleep architecture, and support for the timing and depth of the sleep cycle itself

The rest is free amino acids, which are simple building blocks that brain cells can use for energy and repair

Clinical Translation: Subsequent studies have confirmed these laboratory findings in human subjects, showing that topical and systemic GHK-Cu increases measurable collagen deposition and improves skin structural integrity over 8-12 weeks of use

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