A friend of mine swears by hers!
I keep forgetting to pick one up......she got hers at WalMart a month or so ago and loves it.
She's also the one who told me to use Monistat cream (yep, that stuff) on badly cracked heels.
I was having a problem with almost the entire bottom of my feet.....I thought it was just cause it was so dry during the winter. I felt like I was snagging the sheets they were so rough. And lotion wasn't making a difference.

Anyhow, bought the stuff and used it 3-4 times.....went and got a pedicure and the guy used one of those razor thingies on my heel....my feet are back to normal.
It's a type of fungus.....almost like athlete's foot. She said her feet actually were cracking....her's have cleared up too.
Just buy the Walmart brand.....it's cheaper than the label brand. ...The one I bought is Equate...miconazole 7 dose treatment cream (can't remember if that's the Walmart or Kmart brand)...but you want it in the tube...not the pre-packaged doses. It's also cheaper than the stuff made for "women's athlete's foot"

A little bit will cover the whole bottom of your foot, then put a pair of socks on.....I used it before going to bed....you will notice a difference after the first time.