To get the details on what exactly makes the ingredient so buzzy, we tapped top New York City-based board-certified dermatologists Dr. Debra Jaliman and Dr. Angela Lamb. What is snail mucin?

Snail slime has been used in skincare for centuries, and today the snail beauty-product industry is worth an estimated $4 billion. Back in the day, the snails had to be killed for their slime to ...