A composite image shows the left half of an older woman's smiling face with short gray hair on the left. The right half is a colorful petri dish with yellow, green, and purple microbial growths, illustrating an intersection of human health and microbiology.

What will probiotics do for my skin?

Probiotics are immensely beneficial. They out-compete pathogenic microbes, improve barrier function, produce moisturising factors, maintain skin pH and reduce sensitivity and inflammation. All these factors reduce the rate of skin…