So I asked a dermatologist about why he's able to grow a beard and I'm not. Dr. Jennifer Chwalek: It's based on genetics as well as hormones. Some men, you know, have more hair follicles ...

From determining how old you look to leaving an open door for certain health problems, your hypothetical beard comes with a few potential disadvantages to consider before going full mountain man.

So, I asked a dermatologist about why he's able to grow a beard and I'm not. Dr. Jennifer Chwalek: It's based on genetics as well as hormones. Some men, you know, have more hair follicles ...

Our grooming editors and writers have spent years testing beard products for men to determine the absolute ... stubbly areas that you’re growing out, or really your entire face.