Cerium is a lanthanide metal,which oxidation products - 

Cerium oxide has been widely used in building materials, glass, agricultural, automotive, cosmetics and other fields. 

Cerium oxide has excellent defense ability against UVB, UVA and high-energy short wave blue light, 

but it is extremely difficult to dissolve in water, which limits its application in the field of cosmetics. 

JSCOS^?Basic α has achieved the uniform dispersion of cerium oxide in water by self-developed special processing technology for cerium oxide, and reached the nanometer level.