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Who Should Choose Copper Peptide Over Retinol Not everyone needs to make this an either/or decision, but certain groups have a clear better option

Animal research suggests copper peptides may work faster

On the other hand, exclusion criteria included (1) review articles with poor experimental data, (2) research studies without clear methodologies, (3) research articles unrelated to pharmaceutical prospect of antioxidants and (4) publications without scope of our research work, (5) non-peer-reviewed studies, (6) literature older than 25 years, as well as (6) unpublished work

Applied to the skin in a cream, serum, or balm formulation