11.14.05
● Patent No. US 6,607,713 B1: L’Oréal,
Paris, France, patented a process to
improve the UV stability of a photosensitive
sunscreen agent by adding the
sunscreen agent to a sol-gel consisting
of at least one silicon alkoxide and at
least one nonionic surfactant.
Paris, France, patented a process to
improve the UV stability of a photosensitive
sunscreen agent by adding the
sunscreen agent to a sol-gel consisting
of at least one silicon alkoxide and at
least one nonionic surfactant.