So if you’re craving fuller, thicker hair without committing to a salon’s worth of treatments, John Frieda Ultrafiller+ Scalp Serum might just be your new best friend. At only $9, why not give it a ...

One reviewer swears by the hair oil’s simplicity, commenting, “This serum is easy to use and has left my hair sleek and shiny,” while another emphasizes that “a little goes a long way,” making your ...

Regrowth can take time, but these products use keratin, biotin, and other ingredients to lend the appearance of thicker hair.