Here's why the ingredient may be just what your scalp needs.
Feb. 6, 2026, 8:40 PM UTC
If you consider yourself to be in the know in the skin care world, you're likely already familiar with peptides. According to experts, peptides are involved in collagen production and the health of your skin barrier, so they can be a helpful addition to nearly anyone's routine.
However, recently, they've gained some attention for their potential ability to help those with thinning hair. And considering that hair loss is a frustrating issue that many people deal with (it's estimated that around one-third of women deal with it), whenever we hear about a potential solution, our ears always perk up.
But, of course, we have to hear from the experts first.