discolored toes after corn removal

Hi, a few years back I used over the counter corn removal pads for three corns on my feet (one on my "ring" toe and my two baby toes). The pads were sort of helpful as the corns did reduce and my feet don't hurt in shoes anymore. However, they discolored the skin on my toes and left bright discolored spots which are very obvious because my skin tone is darker. Its pretty ugly and unsightly. Also on my "ring" toe, the skin where the corn is/was is still very hard no matter what I put on it to soften it. Should I see a podiatrist or is there anything I can do at home to restore the natural look of my feet? Can a podiatrist do anything to treat my feet if the corns have been removed?

[FootDoc]

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It is often quite difficult to limit the action of the destructive acid compound in the corn "remover" pads to the dead keratotic tissue, and its action on living tissue is no more subtle than on dead tissue. This can result in varying degrees of adverse effects to the living tissue beneath and surrounding the corn, and some of this effect may be permanent. Lightening of the skin, especially in those with darkly pigmented skin is not uncommon. To my knowledge, there is nothing that can be applied topically to the skin to change that, though you might wish to consult a cosmetic plastic surgeon or a dermatologist who specializes in cosmetic problems for an opinion regarding this matter if the problem is sufficiently troublesome to you.