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Investigations comparing topical GHK-Cu with common dermatologic comparators reported indications of higher dermal procollagen, along with observations consistent with thicker and more elastic skin architecture over multi-week intervals
But some will notice side effects, minor or annoying, yet not dangerous
Acta Pathol
The mechanisms allowing for this change between the 2 metabolic profiles will have to be elucidated in future studies
Some trials involving postmenopausal women have also included bone mineral density as a secondary outcome
Yant LJ, Ran Q, Rao L, et al
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