The Ordinary Multi-Peptide Serum for Hair Density is a lightweight scalp serum designed to support thicker, fuller, and healthier-looking hair. Formulated with a concentrated blend of peptide technologies, caffeine, and plant-based extracts, it helps nourish the scalp, improve hair density, and reduce signs of thinning without leaving a greasy residue. Suitable for all hair types and ideal for daily use.