Killing one's own self by mixing common household products to produce hydrogen sulfide gas. Based on the Japanese technique which used detergent as an ingredient.
Detergent suicide is quickly replacing carbon monoxide poisoning as Japan's preferred suicide method and is slowly catching on in the United States.
1. A a common household chemical used in cleaning.
2. On the street, the above is sometimes mixed with, or substituted for, drugs. Household detergent is chosen because it is an inexpensive and can be found in a white powder.