Whether investigating collagen-related pathways, skin appearance research, hair follicle studies, or broader regenerative science applications, GHK-CU remains one of the most established peptides in this category
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Causes of B12 Deficiency Most people get enough B12 from their diet (3), but dig deeper and youll discover that you can chow down on enough B12-rich food and still be deficient
The unpredictable nature of symptom flare-ups adds to the difficulty of managing the condition, akin to trying to control a storm that varies in intensity each time it appears
For background on the parent molecule, see our complete GHK-Cu guide
Skin Rejuvenation and Anti-Aging Protocol Dose: 1 to 2 mg per day Route: Subcutaneous (abdomen, thigh, or upper arm) Frequency: Daily, 5 days on, 2 days off Cycle: 8 to 12 weeks on, 4 weeks off Expected results: 4 to 8 weeks for visible improvement Best for: Fine lines, skin elasticity, skin density, overall skin quality In a 12-week facial cream study (human trial, 71 women), 70% showed increased collagen production with GHK-Cu, compared to 50% with vitamin C and 40% with retinoic acid (Pickart et al., 2015)