black tar heroin


A form of heroin from Mexico that is dark, sticky, semisolid and difficult to ‘cut’—adulterate—because of its viscid nature. It is extremely potent—purity of up to 70%—and highly addictive

black tar heroin

A form of illicitly manufactured diacetylmorphine known for its tarry appearance and increased potency relative to “white” heroin.See also: heroin