How are Stuhlprobe and Haut related?

The relationship between stool sample and skin is rooted in the gut-skin axis. The gut microbiome influences skin health through immune modulation, inflammation, and metabolites like short-chain fatty acids. Observational studies link certain gut bacteria to conditions such as acne, rosacea, and psoriasis. However, evidence is moderate: most studies are associative, not causal, and the mechanisms are not fully understood. A consumer stool test (e.g., from MyBody-X) can profile gut bacteria, but its ability to guide skin-specific interventions is limited. These tests lack clinical validation for diagnosing or treating skin issues. Diet, genetics, environment, and skincare are more influential. Caveat: false positives and overinterpretation are common. Always consult a dermatologist before making changes based on a stool test.