The Ordinary Multi Peptide Serum for Hair Density is A Concentrated Serum for Hair that Looks Thicker, Denser, Fuller, and Healthier. This concentrated formula is designed to support hair health so that it looks thicker, denser, fuller and healthier. The technologies present in this formula include REDENSYl complex (with Larix Europaea Wood Extract and Camellia Sinensis Leaf Extract), Procapil peptide complex (with Biotinoyl Tripeptide-1), CAPIXYL peptide complex (with Acetyl Tetrapeptide-3 and Trifolium Pratense Flower Extract), BAICAPIL complex (with Scutellaria Baicalensis Root Extract, Triticum Vulgare Germ Extract and Glycine Soja Germ Extract), AnaGain (Pisum Sativum Extract) and High Solubility Caffeine (1% net Caffeine by weight), in an ultra-lightweight, emollient base for efficient penetration. The total concentration of these technologies in the formula by weight is 21.15 Percent. Perfect for all skin types.