This Lazartigue Thicker Hair Serum features a new, enhanced formula designed to promote visibly thicker and denser-appearing hair. It is formulated to target the hair follicle, supporting natural hair growth cycles and improving overall hair vitality. Apply this lightweight serum directly to the scalp on dry or damp hair. Gently massage to stimulate blood circulation, allowing the active ingredients to work effectively at the root level. Integrate this into your daily routine for sustained results in hair density and strength.