Us has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more! I spend so much money on peptide-packed facial serums to rejuvenate my skin, but I never stopped to consider that my nails could benefit from one, too. Spoiler: Londontown’s Peptide Serum Concentrate may be the key to reviving brittle nails. If you regularly get gel extensions or acrylics, it’s important to let your nails breathe every few months. Otherwise, they can become thin and flimsy. A cuticle treatment can help maintain the health of your nails, and Londontown’s new serum is a supercharged version that offers more…