Q: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
Category: BRAND NAMES 
Clue: Benjamin Green's work with cocoa butter led to this brand that, ironically, may be used to prevent what's in its name
A:
coppertone