The provided texts describe "tusi" (also known as "pink cocaine"), a new recreational drug appearing in various countries. **Tusi is not primarily cocaine,** but rather a pink powder containing a mixture of substances, most commonly ketamine, often combined with MDMA, methamphetamine, cocaine, and opioids. **The inconsistent composition poses significant health risks,** as users are unaware of the exact contents and dosage. Several sources highlight the deceptive marketing and growing concerns among law enforcement and public health officials regarding its increasing popularity and potential for overdoses. The sources provide data on its composition, prevalence, and dangers.

Source Material:

United Nation Office on Drug and Crime: UNODC