The Ordinary Multi-Peptide Serum for Hair Density is a concentrated formula specially designed to support hair health. Working to promote a thicker, denser, fuller and healthier-looking head of hair, the ultra-lightweight hair serum has an emollient base for effective penetration, and utilises a 21.15% concentration of technologies for maximum results. Technologies: 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) High-Solubility Caffeine (1% net Caffeine by weight) pH 4.75-5.75. Free from alcohol, silicone, nuts, vegan and gluten. Cruelty-free.