what is the peptide ghk cu used for Revitalize Your Skin: Benefits of Copper Youthful Glow GHK Copper Peptide | GHK-Cu

Suitable auris-acceptable preservatives for use in a formulation or composition disclosed herein include, but are not limited to benzoic acid, boric acid, p-hydroxybenzoates, benzyl alcohol, lower alkyl alcohols (e.g., ethanol, butanol or the like), quaternary compounds, stabilized chlorine dioxide, mercurials, such as merfen and thimerosal, mixtures of the foregoing and the like

Over-the-Counter Exceptions : Common peptides like collagen are allowed over the counter because theyre considered supplements, not drugs

For how things stand across the Atlantic, see our explainer on whether peptides are legal in the UK

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