Unless youโ€™ve been living under a rock, youโ€™ve likely seen, heard of, or even tried collagen peptides. The ingredient is popping up in powders and drinks left and right, touted as a way to improve the look and feel of your skin, hair, and nails โ€” the ultimate beauty supplement. But while collagen is nothing new, this exact delivery method is, and thereโ€™s lots of confusion and misinformation out there.

So we asked top dermatologists to explain what collagen peptides are, and to weigh in on the skin benefits you can really expect.