The Ordinary Multi-Peptide Serum for Hair Density is a lightweight, concentrated serum designed to promote thicker, denser, and healthier-looking hair. It uses a combination of peptide technologies and plant-based extracts to support the scalp and hair follicles, aiming to improve hair density and overall hair health. The serum is suitable for all hair types and is formulated to be vegan, cruelty-free, and free of alcohol, silicone, nuts, and gluten.