Look into foot peels. They usually contain salicylic acid. I didn't believe that alone would do anything but I'm now a convert. The aftermath is gross for a few days, but for a brief moment in time you'll have baby smooth feet. A few tips:
- Obviously patch test to check you don't get a negative reaction
- Soak your feet in warm water for about 10 mins before
- Keep the foot peel socks on longer than it says on the packaging (if it says 60 mins, keep them on 90 min)
- Put socks over the foot peel socks so the liquid reaches all the nooks and crannies.
- Get comfortable and watch a movie or something while you wait
- In the days following, soak your feet once a day for 5-10 mins. This speeds up the peeling time.
- Wear socks and when you take them off, turn them inside out above a trash can.
- Resist the urge to peel the skin off. This is the hardest step
- Final step is to enjoy your smooth feet and look into repeating in a few months, especially if you have some very stubborn areas.
I've only ever used this brand:
Not sure you can find it outside of France though. I've heard good things about BabyFoot but can't vouch for it I'm afraid.