Natural Treatment for Actinic Keratosis is to prevent the lesions from turning into skin cancers. Herbal Supplement used to treat or reduce the symptoms. Actinic keratosis (AK) is the most common type of skin cancer and shows up as rough, scaly patches on the skin that look like goosebumps. Apple cider vinegar has been used as a folk Natural Remedies for Actinic Keratosis to treat skin problems like acne, eczema, and psoriasis.