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In the only published head-to-head skin study, GHK-Cu supported improved collagen in 70% of subjects versus 40% for tretinoin, though tretinoin still leads for surface texture and tone
Bhatnagar, D., Ladhe, S
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This peptide appears to exhibit a high selectivity for GHSR, potentially without interfering with other hormones
Effects of oral liposomal glutathione in altering immune responses against Mycobacterium tuberculosis and the Mycobacterium bovis BCG strain in individuals with type 2 diabetes
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