Myths vs facts: Selen and Haut

The claim that selenium alone dramatically improves skin health is a myth. Selenium is an essential trace element that acts as a cofactor for glutathione peroxidases (GPX), providing antioxidant protection to skin cells against oxidative stress. Some observational studies suggest a link between low selenium levels and skin conditions like acne or psoriasis, but randomized controlled trials proving a causal benefit of selenium supplementation for skin are lacking. Fact: Deficiency is rare in regions with adequate selenium intake (e.g., Germany). Excessive supplementation can be toxic (selenosis). The provided context contains no specific studies on selenium and skin. Therefore, the evidence level is rated as 'unclear' or 'mechanistic'. Consumer tests for selenium in blood or hair are available, but their relevance for skin health is limited. Always consult a doctor before taking selenium supplements.