Brinton Brintop Promotes Hair Thickness and Density: Gradually, with the balancing of the hair life cycle, this hair fall control serum improves hair density and thickness. Visible difference can be seen with regular usage. Brintop serum helps to clear such blockage around the follicles and hence. BRINTOP F 10% is used for the treatment of common hereditary baldness (a condition called alopecia androgenetica).It rebalance hair growth cycle and prolongs the anagen phase.