Replenish your roots with L'Oreal Paris Elvive Growth Booster Scalp Serum, a high-performance formula designed to visibly strengthen hair and support visible growth. Infused with the brand's innovative Growth & Strength Complex, the serum combines aminexil, niacinamide and ginger extract to target the appearance of hair loss at the root. The lightweight, easy-to-use treatment helps to reduce the look of breakage, while promoting a nourished scalp environment for visibly stronger hair. Results: 78% agree Growth Booster reduces hair loss (1) for visibly denser hair (2) ​Clinical study on 87 subjects. (1) Consumer test. 78% of 470 subjects for 6 weeks. (2) Consumer test. 76% of 470 subjects for 6 weeks.