What it is:

A lightweight serum for fuller, healthier-looking hair.
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%.

(References are made to third-party trademarks in this description. REDENSYL is a trademark of Givaudan, Procapil is a trademark of Sederma Inc., CAPIXYL is a trademark of Lucas Meyer Cosmetics Canada Inc., BAICAPIL is a trademark of Provital, S.A., and AnaGain is a trademark of Mibelle Biochemistry. Neither DECIEM nor The Ordinary is affiliated with the trademark owners.)

What it does:

A concentrated serum that helps hair look thicker, denser, fuller, and healthier.