What does PPD stand for?
PPD stands for "Persistent Pigment Darkening"
How to abbreviate "Persistent Pigment Darkening"?
"Persistent Pigment Darkening" can be abbreviated as PPD
What is the meaning of PPD abbreviation?
The meaning of PPD abbreviation is "Persistent Pigment Darkening"
What does PPD mean?
PPD as abbreviation means "Persistent Pigment Darkening"
