Peptides are the buzziest ingredient in lip care ... one study evaluated a facial serum containing neuropeptides, proteins, amino acids, and marine extract. Older adults who used the serum ...

A new peptide-infused lip balm by the viral K-beauty brand Laneige is now ready to shop. The brand’s latest launch, the Glaze Craze Tinted Lip Serum, $22, combines long-lasting nourishment and ...