Our foot calluses Moisturizing spray contains orange extract, saffron extract. It can help remove rough and uncomfortable foot calluses and relieve pain. Its use method is very simple: soak the feet in warm water, then dry, take an appropriate amount of this product evenly spray on the feet, 5-10 minutes later with clean water, gently rub with the hand or wipe with a wet towel to remove calluses. And it removes dead skin calluses.