Youngoldman / Getty Images The Looker selects products independently. If you purchase something from our posts, we may earn a small commission. Exosomes are suddenly everywhere. Difficult to pronounce yet impressive in its efficacy, this buzzy ingredient is popping up all over the beauty aisle. Exosome-containing skincare products often promise a boost in collagen production and skin regeneration—the process of damaged tissue being replaced by new, healthy tissue. In hair-thinning remedies , they can supposedly kick hair follicles into the active-growth phase. For decades, Retin-A (tretinoin), Rogaine (minoxidil), and Botox (botulinum toxin) were among the only treatments FDA-approved to treat signs of aging and hair loss—and for most people, they work. In the last few years, though, innovations in the worlds of over-the-counter skincare, haircare, and regenerative cosmetic procedures have seen an inundation of promising ingredients and patented molecules that may also deliver real results as an alternative or complement to these tried-and-true products. Read more at The Daily Beast.