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Pickart, Journal Of Biomaterial Sciences Legal Status of GHK-Cu Peptide GHK-Cu is classified as a cosmetic ingredient when included in topical formulations such as serums, creams, and scalp solutions
But for the person looking to support skin health, hair growth, collagen production, and overall tissue health over the long term, sublingual delivery is the more effective choice both because of its strong systemic absorption and because its the format people can actually stick with day after day
Benefits for Hair and Scalp Health GHK-Cu for Hair Growth GHK-Cu is particularly famous in the field of hair care because of its potential to promote hair follicle health and stimulate hair growth
Instead, doctors should listen to their patients and treat based on signs alone
While injectable B12 is generally considered more effective, oral supplements are an acceptable alternative depending on the needs of the patient