Hair Thickening Roll On Serum Duo is a targeted treatment set designed to help revitalize thinning areas and support fuller, healthier looking hair. The convenient roll-on applicator delivers nourishing ingredients directly to the scalp, perfect for on-the-go use and daily care.Hair Thickening Roll On Serum An innovative serum treats your scalp with the same care you give to your facial skin. The roll-on design features a unique metal tip for precise spot care and a menthol-infused, watery gel texture for a refreshing, lightweight, and non-sticky finish. Enjoy total scalp care that nourishes your scalp and promotes thicker, fuller, and healthier-looking hair.In 2 Weeks:Reduces hair loss due to breakage by 82.2%*, Reduces scalp redness, reduces scalp moisture loss by 39.52%, Improves scalp hydration by 30%,Reduces scalp oil by 46.42%This innovative serum treats your scalp with care like skincare. Its roll-on design with a metal tip offers precise spot care, while the menthol-infused watery gel provides a refreshing, lightweight finish. Nourish your scalp and reduce hair loss for fuller, thicker, healthier-looking hair.EXFOLIATES, CLEANSES, AND MOISTURIZES, INCREASING CIRCULATION AND ENCOURAGING HAIR GROWTH AND STRENGTH. Formulated with biotin, rosemary leaf extract, salicylic acid, panthenol, niacinamide, caffeine and formulated without parabens, silicones, sulfates and gluten.#1 Korean Hair Care Brand for Hair Thickening (Data source - Nielsen 2023)Dermatologically tested and safe for color treated hair.Package Dimensions ‏ : ‎ 6.54 x 1.93 x 1.02 inches; 2.08 ounces