Enter this lightweight brow formula, packed with biotin, panthenol, and sodium hyaluronate, to support keratin growth and minimize the appearance of patchy, sparse areas. I’m happy to report that after using the Obagi serum for just two weeks, the gaps between hairs appeared smaller and the hairs themselves seem darker, requiring less aggressive use of my eyebrow pencil. Original image from Alanna Martine Kilkeary testing The Ordinary Multi-Peptide Lash and Brow Serum Chevron Chevron The Ordinary Multi-Peptide Lash and Brow Serum $15 Amazon Original video from Alanna Martine Kilkeary testing The Ordinary Multi-Peptide Lash and Brow Serum