Today I want to talk about some topical medications that can be used at home to treat actinic keratoses, which are precancerous growths that appear usually in sun exposed areas. Actinic keratoses are precursors of squamous cell carcinoma, with approximately 5% of these lesions developing into squamous cell carcinoma.  They appear usually as rough, dry, slightly reddened patches of skin that seem to not go away or heal completely.  In...