ZINC OXIDE (NANO)
Goodsunscreen_filter
A mineral UV filter that provides broad-spectrum protection and can soothe skin; nano form may have different penetration characteristics.
Regulatory Info
Status: Allowed UV Filter
Restrictions: Max: 25%
- In case of combined use of zinc oxide and zinc oxide (nano), the sum shall not exceed the limit of 25%; Warning: Not to be used in applications that may lead to exposure of the end-user's lungs by inhalation.
Only nanomaterials having the following characteristics are allowed:
— purity ≥ 96 %, with wurtzite crystalline structure and physical appearance as clusters that are rod-like, star-like and/or isometric shapes, with impurities consisting only of carbon dioxide and water, whilst any other impurities are less than 1 % in total,
— median diameter of the particle number size distribution D50 (50 % of the number below this diameter) > 30 nm and D1 (1 % below this size) > 20 nm,
— water solubility < 50 mg/L
—uncoated, or coated with triethoxycaprylylsilane, dimethicone, dimethoxydiphenylsilanetriethoxycaprylylsilane cross- polymer, or octyl triethoxy silane.