Evidence check: Testosteron Test in the context of Haut

The link between testosterone testing and skin health is often promoted in marketing but lacks strong scientific evidence. Testosterone does influence sebum production and skin aging, yet a single test (blood or saliva) poorly reflects skin status because hormone levels fluctuate with circadian rhythm, stress, diet, and sleep. Genetic tests analyzing testosterone-related variants have very small effect sizes and are not validated for skin diagnostics. Acne, oily skin, or wrinkling are multifactorial – genetics, microbiome, lifestyle, and environment all contribute. A testosterone test alone cannot explain skin issues or guide treatment. Caution: No commercial test is currently approved as a medical diagnostic for skin conditions. If you have skin concerns, consult a dermatologist before making changes based on a hormone test.