A lightweight, quick-absorbing, non greasy 2in1 serum for scalp and hair that helps lock in hair, reduce hairfall, and stimulate hair to look thick and have volume. 'Reduce hairfall from breakage up to 6,000 strands Protects against hairfall by up to 98% clinically proven. 50X DYNOXIDIL' + CERAMIDES 'Comparison of the amount of Zinc Sulfate and Hydrolyzed Yeast Protein with treatment mask. Tested for hair breakage on hair switches when using Sunsilk shampoo, conditioner, treatment mask, and serum compared to non conditioning shampoo after 3 washes. + Refers to reduced hair fall due to breakage, tested on hair switches when using Sunsilk shampoo, conditioner, treatment mask, and serum compared to non conditioning shampoo. +Refers to less hair breakage based on lab test.