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However, these delivery systems are not yet standard in most commercial products, meaning the GHK-Cu concentration listed on a product label does not necessarily translate to the bioavailable dose reaching dermal fibroblasts

Liposomal forms are slightly better but cant match injectable delivery

The identification of this protein sparked interest among researchers, who began to explore its potential therapeutic applications beyond the gastrointestinal system

We see it as our responsibility to also provide the knowledge you need to handle those peptides correctly

J Comp Neurol 160:147166

Storing Reconstituted Peptides Store reconstituted peptides inside refrigerators between two and eight degrees