How to Use Peptide Serum: A Complete Guide for Healthier, Younger-Looking Skin

If you’ve recently added a peptide serum to your skincare routine—or you’re thinking about it—you might be wondering exactly how to use peptide serum for the best results. Peptides are one of the most talked-about skincare ingredients today, and for good reason. When used correctly, they can help improve skin firmness, smooth fine lines, and support a stronger skin barrier.