Some scars absolutely do reach subcutaneous fat. The really bad, deep cysts can cause so much inflammation and destruction of the fat layer that the face appears to sink in, almost like the sunken cheeks on someone much older. Ever noticed how people with really bad acne scarring look prematurely aged? When cystic acne occurs repeatedly over the same area, like the cheeks, it can cause significant fat atrophy.
Sorry, sort of a tangent but your posts would be easier to read if you didn't abbreviate everything.