... Yes, she did. However, in her case, she had no way of knowing that she was risking a positive test with her products. Shortly before Jessica tested positive (in January 2021), WADA lowered the concentration needed for a positive test (in December 2020), which explains why Jessica hadn't previously tested positive despite using the same products. She was somewhat lucky that a bunch of boxers tested positive for 4-CPA after a fight in May, and the anti-doping agent responsible for that competition found it odd and requested an investigation, in which they determined that a skincare preservative was also metabolised to 4-CPA, so WADA quietly changed their policies and dropped cases like Jessica's. Essentially, her case was similar to one in which contamination of a product could be proven. ...