Because the GHK-Cu complex is sensitive to oxidation, light and pH extremes, the container and the supporting chemistry can matter as much as the headline percentage
we are seeing an explosion of hype, repackaging older studies
In vitro studies have documented that GHK-Cu treatment (1-10 M) increases proliferation of outer root sheath keratinocytes by 30-60% and dermal papilla cells by 20-40%, cell populations critical for hair shaft formation and follicle cycling regulation
With a rich but non-greasy texture, this balm is ideal for daily use on the face, hands, elbows, knees and other dry areas of the body
Clinical pharmacology data show that a single 100 mg oral dose raises plasma 5-HTP within 1 to 2 hours and meaningfully increases cerebrospinal fluid 5-HIAA, the main serotonin metabolite