Anchor Katie Couric interviews David Whitlock: Man Who Hasn't Showered in 12 Years Makes Us Question Everything We Know About Cleanliness

Culture Club: Once considered skin's worst enemy, bacteria has proven to be a healthy complexion's best friend.

Is Bacteria the Secret to Healthy Skin? A germaphobic writer tests the bacteria spray that may become a mainstay in your beauty routine.

Cambridge Company Says Live Bacteria Spray Will Keep You Clean

Latest treatment for acne and eczema? Rubbing good bacteria into your skin

I Tried It: I Bathed in Live Bacteria for a Month

This New Spray Contains Bacteria That Will Eat Your Sweat

Why You Need to Start Paying Attention to Your Skin Microbiome—Especially Now

9 Things You Aren't Doing In The Bathroom, But Should Be, And The Products That Can Help

Episode 9: The skin microbiome and AOBiome with Dr. Larry Weiss

On Point with Meghna Chakrabarti: Are We Really Too Clean?

What If You Could Get Clean Without Soap–Using Just Your Microbiome?

Get a Whiff of This: Man Hasn't Showered in 12 Years

Is Ammonia-Oxidizing Bacteria the Key to Better Skin?

Poet Cleo Wade’s Beauty Routine Includes Red Wine, Great Conditioner, and Good Vibes

​"I Haven't Washed My Hair Since I Was 12. Here's Why." One expert barber explains why shampoo is a delusion.

What Is the Right Way to Wash Your Hands? Redefining “clean” in an era of the skin microbiome.

Dermatologists Have a Dirty Little Secret