As we grow older, it's not uncommon for our hair to lose its thickness and volume. However, customers have stumbled upon a shampoo that promises to restore both. Philip Kingsley's Density Hair ...

Shampoo makes my hair greasy and lank." On a more positive note, another user observed: "The Density Thickening Shampoo and Conditioner already seem to be working on my thinning, shedding hair.