
Consumer marketing companies don’t get much bigger than Procter & Gamble. So the American giant’s patent application for a cosmetic product containing a prebiotic agent is a sure sign that skin care technology is entering a new phase.

Your skin is a complex ecosystem made up of your skin cells and many other organisms including bacteria, yeasts and viruses. The sum of all of these organisms’ DNA and your own genetic makeup is known as your microbiome.
It’s an environment that’s unique to you, incredibly diverse and barely understood. Nature Reviews Microbiology has an interesting paper that looks into the implications.