In the daily life, why some metal eyewear cause wearer skin allergy?
It is mostly associated with excessive release of heavy metals elements in low quality metal eyewear. Especially nickel release harmful to the environment and human health. However, low quality metal eyewear adopts low cost of nickel plating.
For daily life, low quality metal eyewear in contact with the skin for a long time, wearers sweat cause nickel elements high erosion activity, the nickel cause skin allergy.
Release amount of nickel had become a topic of concern in the field of metal eyewear product quality. The International Organization for Standardization (ISO) and European Organization for Standardization (CEN) have strict management measures on the release amount of nickel.
This article studies the nickel release test methods, reference for related metal eyewear wearers and eyewear companies to reduce low quality metal eyewear harm to people.