Abstract: A particulate metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.
Type:
Application
Filed:
April 13, 2007
Publication date:
August 16, 2007
Applicant:
Croda International
Inventors:
Graham Dransfield, Susan Cutter, Phillip Lyth