A hair thickening scalp treatment and daily shampoo that promotes a thicker, fuller, glossier mane. Powered by 14 active ingredients proven to prevent hair loss and improve scalp health, such as Biotin, Salicylic Acid and Centella. Named for it’s scientifically validated formula and backed by 9 separate clinical studies, Dr. 14 is clinically proven to target multiple underlying factors of hair health.