Is there an alternative treatment for porokeratosis or dsap?

Yes - several.: Disseminated superficial actinic porokeratosis, is a benign condition which can occur more typically on the lower legs, but also other body areas as well. Common treatments include cryotherapy (freezing), keratolytics that contain urea or lactic acid, as well as actinic keratosis treatments such as zyclara, Picato (ingenol mebutate) or even the older generation of 5-fluorouracil.