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About the Experts Vishwanath Venketaraman, Ph.D., is a professor of microbiology and immunology at the Western University of Health Sciences who has been researching glutathione for more than 20 years
Everything you want to know
In our guide to the best copper peptide serums, well break down the science behind this popular ingredient and give you all the details on our top picks to help you choose the right serum for your unique needs
Vitamin C deserves a special mentionit's like sunshine in a bar, helping to brighten and protect your skin simultaneously
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