My p has cleared up from uvb treatment except on my elbows & knees

so the nurse at the hospital i go for my uvb has given me these Hydrocolloid Dressings to try. So lets hope they help get rid off the scaling
i have to put them on my elbows & knees every night & it keeps the skin moist, im not sure whether anypone on this forum have tried these dressings but im willing to have a go

So ill keep you all imformed whether i have had any luck with these.