Popular TikTok videos featuring teens' personal skin care routine frequently feature products that carry a high risk of skin irritation and allergy, researchers reported.

Children as young as 7 are sharing skin care tips online, but a new study suggests their favorite products may be harmful.

Teens are diving into intense skincare routines inspired by TikTok, often slathering on six or more products daily, sometimes over ten in just minutes, chasing beauty ideals that favor lighter, flawless skin.