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.
He also made an appearance as the father of a murdered girl in CSI. He played a short-lived but well-known role as Tuco Salamanca, a violent and psychotic meth dealer in Breaking Bad in 2008 and 2009. He later reprised the role of Tuco in the Breaking Bad spin-off, Better Call Saul. He had a recurring role as Paco on My Name Is Earl, and as Alejandro Perez on Nip/Tuck.