The scientific literature says little about KPVs safety profile, but there are concerns that it carries significant potential risks
It introduces skin flora, airborne particles, and whatever else it touched directly into your supposedly sterile solution
Is 1%, 2% or 3% GHK-Cu better
10.1016/j.jstrokecerebrovasdis.2024.107788 J
Subclinical vascular dysfunction, impaired nitric oxide signaling, oxidative stress, and nutrient insufficiencies can quietly impact energy, recovery, cognitive function, and long-term resilienceoften before overt cardiovascular markers become abnormal
Important considerations include: Greying hair has multiple causes, predominantly genetic factors Most people with B12 deficiency do not experience changes in hair colour Other nutritional deficiencies (copper, iron, folate) may also affect hair health Reversibility of greying, even when nutritionally related, is uncommon and unpredictable If you are concerned about premature greying alongside other symptoms of B12 deficiency, it is advisable to consult your GP for appropriate assessment rather than assuming a nutritional cause