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The optimal concentration for over-the-counter products typically ranges from 0.1% to 2% GHK-Cu, with many studies suggesting 0.5% as an effective sweet spot for benefits without adverse reactions

Its a naturally occurring copper peptide that your body produces to manage injuries and keep things running smoothly

While copper is an essential nutrient, oral copper supplements do not concentrate enough in the skin to trigger collagen production or repair

the topicals target surface turnover and pigmentation

Adequate protein intake provides amino acids necessary for collagen synthesis

Vegans and strict vegetarians could be at A daily B-complex vitamin can help ensure that people who choose to follow diets that eliminate animal products are getting enough of these important nutrients