Rosacea sufferers’ skin was found to have reduced biodiversity even compared to acne skin.
A review article by a medical team from the Medical College of Rzeszow University summarised…
"...[there was a] significantly decreased microbial α-diversity in rosacea subjects..."
Previous studies have found differences in the skin microbiome of people with rosacea compared to healthy people, but are less conclusive on the difference in biodiversity.