Products that are banking on the hair-health trend include: Mitch Stone Essentials six-product vitamin-laden line includes shampoo and conditioner, sprays, volumizer and argan oil-rich drops.

But tbh, taking a hair-growth vitamin like Viviscal is one of the few things that's ever worked for me. Hell, it made my hair grow from a short bob to past my collarbone in less than a year.

Viviscal’s Hair Thickening Serum is formulated with biotin and keratin to help promote hair growth and reduce hair loss, according to shoppers. It's on sale for $10 at Amazon.

If you're looking for serious volume when it comes to your hair, look no further than hair-building fibers. And having a baby-fine set of strands myself, I totally understand (and often do in fact ...

If you're looking to make your hair grow faster, try Viviscal, the most-loved hair supplement by Cosmo readers, which is finally 37% off for October Prime Day.