It first started in the 2010s and is apparently making a comeback this year on TikTok, according to a Michigan Medicine-University of Michigan news release.
According to Olivia J.
Kileen also noted in the Michigan Medicine report the products can accidentally get into the eyes themselves.
Killeen says in some cases, viruses or bacteria from the lips could cause conjunctivitis, commonly known as pink eye.
Ophthalmologists will treat patients who have tried this, and Killeen noted that the issues can sometimes be resolved just by stopping the practice, but some may require additional treatment.
“Eyes and vision are precious, and both the eyeballs and the eyelids are very sensitive,” Killeen said in the report.