Nanogen Shampoo and Half-Conditioner for Men takes a multi-targeted approach to hair thickening. Dermatologically tested, it works hard to exfoliate deep within the pores removing buildup and impurities which can lead to unwanted problems like an itchy scalp, oily hair and in some cases hair thinning. Redensifying amino acids form a dense lather that surrounds every hair strand providing deep nourishment, strength and an instant thickening effect.