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This makes it difficult for it to penetrate the deeper layers of the dermis where melanin production actually happens
Peptides are short chains of amino acids that act as messengers in the body
stress response Introduction Serotonin (5-hydroxytryptamine) is a natural metabolite derived from the essential amino acid tryptophan that mediates signal transmission between nerve cells and other cells throughout the body
Minerals such as magnesium and calcium chloride aid in muscle relaxation and support nerve function, alleviating physical tension associated with stress
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