India, June 9 -- "Get ready with me" videos, where people show off their skincare routines, are everywhere on TikTok. Millions of teens are watching these videos but new research says they might be doing more harm than good.

A new study from Northwestern Medicine, published in Pediatrics, warns that these trendy skincare routines could lead to lifelong skin allergies in teens.

"It's problematic to show girls devoting this much time and attention to their skin," said corresponding author Dr. Molly Hales.

The study closely explored at both the skin and mental health risks of these viral beauty trends.

"When you have kids waking up at 5:30 in the morning on a school day to have enough time to layer on these complicated regimens, I think it...