Undercover Colors was a concept of a nail polish that could detect the presence of date rape drugs in a person's drink. The product was developed by four college students and gained attention in 2014
. However, the product faced criticism for its effectiveness and practicality, as well as for distracting from real solutions to the problem
. The exact ingredients or materials used in Undercover Colors are not mentioned in the search results. In 2014, the creators of Undercover Colors switched to marketing a different product called SipChips, which are single- use, individually wrapped drug test kits that can be unobtrusively attached to key fobs or cellphones
. These kits are designed to detect the presence of various drugs, including date rape drugs, in a person's drink
. The specific ingredients or materials used in SipChips are not provided in the search results.