There are several different types of heroin that vary in purity, strength, colour, and consistency. White heroin White heroin, also known as “Chinese White” or “Number 4,” is a highly addictive and potent form of heroin. It is sometimes referred to as Chinese White because of its origin in Southeast Asia. White heroin is derived from morphine and can be snorted, smoked, or injected. Its effects are similar to those of other forms of heroin but because it has a greater potency, the effects Black tar heroin Black tar heroin is a form of illicit heroin that looks like a black, sticky substance. It has an extremely high potency and addictive potential. The effects of black tar heroin are more intense than other forms of the drug, as it is usually injected directly into the bloodstream. This type of heroin is incredibly dangerous due to its strength and potential for overdose and death. The most common route of administration for black tar heroin is injection, but it can also be smoked or snorted. Brown heroin Brown heroin is an illegal drug made from morphine, a natural substance taken from the seed pod of opium poppy plants. Brown heroin is sometimes referred to as “black tar” due to its dark colour and sticky consistency. It’s also known as Mexican mud, brown sugar, and horse china. Brown heroin is the most commonly used form of heroin in North America and is typically cheaper than other forms. It’s usually injected, but it can also be smoked or snorted. Brown heroin is highly addictive and carries a high risk of overdose.