The Sun Is a Mass of Incadescent Gas and It Will Hurt You

The FDA has approved the use of ecamsule in a sunscreen.  Ecamsule provides protection against UV-A, the lack of which is the basis for lawsuits (see here and here for earlier posts).  It appears [PDF, search for “ecamsule”] that ecamsule is the same as meroxyl, which, as I noted in the second of my earlier posts, appears to already be available in L’Oreal products.  So: I’m still confused.