Suggest Treatment For Enlarged Corn After Applying A Beauty Product

Hi i HAD A VERY SMALL CORN ON THE BOTTOM OF MY FEET I purchased this product to remove corns at the beauty sypply. After I used it, late that night it felt like raw and burning sensation. The following day It had white like blister... It almost looked like the skin had separate it form in. Now it hurts and burns when I walk and its turn into a huge corn on the heel what should I do ?