The Necessary™ | Care For Your Body | Care For Your Planet The Scalp Serum (3x 30 ml | 90-Day Supply) is a foundational fragrance-free serum for the scalp. 1% Multi-Molecular Hyaluronic Acid is paired with Vitamin B3 and Vitamin B5 to help delivers intense multi-level hydration to a dry, sensitive scalp, while also balancing and soothing. This leave-in texture is quick-dry and water-light. It leaves no-residue. The Scalp Serum also contains 5% Capixyl™ to support denser, fuller, healthier-looking hair. The Scalp Serum must be used daily for results. Dermatologist-Tested. Hypoallergenic. Non-Comedogenic. Vegan. Color-Safe. The Scalp Serum holds The Seal of Approval by The National Eczema Association. Clinical Results | 50+ participants used The Shampoo, The Conditioner and The Scalp Serum for 12 Weeks | USA 2022. Q3. 96% Said My Scalp Feels Hydrated 96% Said My Scalp Feels Less Itchy 94% Said My Scalp Feels Less Flaky