The Rosemary Serum is an advanced leave-in serum for daily use. A combination of 5% Capixyl™ and a 70% infusion of Rosemary (Water/Oil/Extract) supports denser, fuller, healthier-looking hair. The Rosemary Serum also includes a micro-dose of plant proteins and essential ceramides. The Rosemary Serum is a clear, quick-dry, and no-residue serum. The Rosemary Serum smells like pure Rosemary. No fine fragrance has been added. The Rosemary Serum does not smell like the Rosemary Shampoo or the Rosemary Conditioner. Dermatologist-Tested. Hypoallergenic. Non-Comedogenic. Color-Safe.