If you've been shopping around for products to help make your hair fuller and prevent breakage at the same time, you know it ...

The Dr. Groot Thickening Shampoo was designed to be a strand-plumping, shine-inducing formula for thin, brittle, and aging hair. The formula is said to add a visible increase in hair volume after ...

Sophie is a writer for InStyle, where she reports on noteworthy beauty products—including skin care, hair care, and makeup—and, occasionally, covers celebrity style. The Zenagen Revolve ...