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AHK-Cus small molecular weight (approximately 400 Da) falls within the range where meaningful transdermal penetration is pharmacologically plausible, particularly on the scalp where the stratum corneum is thinner than on most body surfaces and where hair follicle openings provide additional transappendageal absorption routes
It is often the starting point for growth hormone support
But how do they work
While it's most famous for facial rejuvenation, GHK-Cu's regenerative properties are beneficial for skin all over
Research has examined its role in cell growth signalling and IGF-1 receptor activation
K., Kaur, K
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