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ghk-cu clinical trials skin Epigenetic mechanisms activated by increase collagen density in trial The potential of GHK as
Description
Biogerontology 26:52

Try supinated or palms up, pronated or palms down, or neutral, whichever you find more tolerable

This is the timeframe from the Finkley study (improved laxity, firmness, wrinkle depth) and the Carey/Pickart ultrasound study (28% average collagen density increase)

doi: 10.2217/pmt.15.60
