Ducray Neoptide Expert Serum - 2x50 MLDucray Neoptide Expert Serum is a dual action treatment designed to combat chronic hair loss and stimulate hair growth in men and women. With patented ingredients, it strengthens and thickens hair while improving scalp health. The serum densifies hair, increases volume, and strengthens the hair fiber, while unique mechanisms help anchor hair follicles and regulate the hair cycle. Clinically proven to be effective after 2 months, it can be used alone,