Tusi is a recreational drug that typically appears as a pink-dyed powder commonly referred to as pink cocaine. It originated in Latin America, specifically in Colombia, around 2018.
The substance consists of a mixture of various psychoactive ingredients with no standard proportions. While ketamine and MDMA are the most common components, other substances found in Tusi include cocaine, methamphetamine, oxycodone, caffeine, and various cathinones.