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This rapid response is due to the direct injection of Vitamin B12 into the bloodstream, which allows for quick uptake by the body
Applying degraded GHK-Cu delivers free copper ions and amino acid breakdown products instead of the active peptide complex at best, this produces zero collagen synthesis or wound healing benefit, and at worst, free copper can act as a pro-oxidant generating reactive oxygen species that cause irritation, redness, or hyperpigmentation
Contamination is the enemy of good data
It's beneficial for boosting immune function, improving skin radiance, and protecting against oxidative stress
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