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During the off period, benefits typically persist for several weeks as the biological changes induced by GHK-Cu continue functioning

PHA: PHA (polyhydroxy acid) is similar to alpha hydroxy acids (AHAs) such as glycolic acid and lactic acid, but is considered to be gentler on the skin

There are many important roles that this essential vitamin plays in the body, most notably that it supports cellular energy and metabolism as well as nervous system function

Simply apply the patch to clean, dry skin and let the ingredients work their magic

[DOI] [PMC free article] [PubMed] [Google Scholar] 164.Sonnenberg GE, Keller U

It is a naturally occurring copper peptide, emerging from natural processes in the human body