H.P.D. is the chemical breakdown of a Cellulose Acetate mixture found in early 20th century plastics, mostly found today in hard plastic dolls produced in the late 1930s to the early 1950s, though we are...
For many years now,it's thought that metal hooks/mechanisams used in hard plastic dolls could be the cause of HPD, but why is it, the hands and wrists on some hard plastic dolls become diseased before any...