This physical sunscreen works by reflecting the suns rays away from the skin. It is active across a wide wavelength with good coverage in the UVA range.
Many people blend with Titanium Dioxide to help create a cost-effective broad-spectrum product. Our Zinc Oxide consists of fine particles that enable formulation of a cosmetically elegant product.
Between 0.1 micron to 0.8 microns. This zinc oxide is powdered at manufactured to be larger than nano-particle in size, however, it cannot be guaranteed that there is no nano-particle sized zinc oxide contained.