From lactic acid to kombucha, a growing number of Youth To The People products owe their success, in part, to ferments.

Commonly found in dietary supplements or foods like bananas, soybeans, and whole grains, prebiotic fibers are all about enriching, stabilizing, and reinforcing the micro-ecosystem of the gut. But what does gut health have to do with skin health?

By Mercedes Taylor With a love for cosmetics from a young age, my curiosity knew that there was much more to the goop inside the jar than meets the...