Topical cream containing zinc oxide may be helpful for treating facial
cold sores.1 The cream may shorten the
duration of cold sore blisters, especially if it is started right after the cold sore begins to form.
Some people using this cream experienced a few side effects, such as
severe skin irritation and dryness.
Actinic keratoses commonly appear in areas of chronic sun exposure, such as the face and dorsa of the hands. Actinic cheilitis is a related condition that usually appears on the lower lips. These conditions represent early epithelial transformation that may eventually evolve into invasive SCC.
Actinic keratosis is a noninvasive lesion. The progression rate is extremely low. In a prospective study, the progression rate to SCC was less than 1 in 1,000 per year, calling into question the cost effectiveness...