So pigmentation problems are more common in skin of color. In a recent study, acne was the most common skin condition in blacks, followed by pigmentation problems, or dyschromias. The most common dyschromia in people of color is post-inflammatory hyperpigmentation (PIH). This refers to increased pigmentation or dark spots at the sites of inflammation.
November 26, 1939. Appearances. Mark Margolis an American actor who plays Hector Tio Salamanca on Breaking Bad. Margolis has appeared in numerous films, including roles in such films as Scarface, Pi, Daredevil and The Fountain as well as re-occuring roles on television shows like HBO's Oz and NBC's Kings.
Recurring characters. 1  Steven Michael Quezada as Steven Gomey Gomez â Hank's DEA partner and best friend who assists in tracking down and learning the identity of Heisenberg. 2  Matt L. Jones as Brandon Badger Mayhew â Jesse's dimwitted friend and junkie, who often serves as the series' comic relief.