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Abstract Dopamine (DA) is a major monoamine neurotransmitter in the brain and has essential roles in higher functions of the brain
doi: 10.1038/nrn1627 [DOI] [PubMed] [Google Scholar] 56
Clients often see improvements in skin tone, elasticity, and recovery within 36 weeks of consistent use
Excessive sun exposure can contribute to skin damage and uneven skin appearance
doi: 10.1073/pnas.0900206106
A 2024 randomized controlled trial (RCT) with 60 women (ages 40-65) applied 0.1% GHK-Cu cream twice daily for 12 weeks, yielding 31% wrinkle reduction (visia analysis) and 28% improved skin elasticity versus placebo (Kim et al., 2024)
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