Density Preserving Scalp Serum Drops 85mlDensity Preserving Scalp Drops contain an innovative active complex designed to help maintain follicle condition and protect hair density and quality over time. The synergistic complex within the clinically tested, lightweight serum provides an instant feeling of stimulation and improves hair condition to help prolong the hair's lifecycle, reduce scalp visibility, and slow hair loss with continued use. When used for 3 months continuously.