The Ordinary Multi‑Peptide Serum for Hair Density – 60 mlLightweight leave in serum that makes hair look thicker, fuller and healthier by boosting scalp circulation and stimulating follicles. With powerful peptide complexes and plant extracts, it strengthens roots, reduces shedding and supports long term hair density. Non greasy, vegan and free from silicones, sulfates and parabens. Apply nightly to a clean, dry scalp for visible volume and strength.