The Ordinary Multi-Peptide Lash and Brow Serum is a lightweight, non-greasy formula that promotes thicker, fuller, and healthier lashes and brows. Enriched with 11 active ingredients, including four peptide complexes and natural extracts, it nourishes and strengthens hair while improving density and appearance in as little as four weeks. Apply a thin layer along lashes and brows morning and evening for best results.