I Don't Know WhatI Don't Know What was created as fragrance enhancer with transparent radiance that gives any perfume a certain, as the French say, Je ne sais quoi (I don't know what). We love it for that but it's so much more, including one of the top selling perfumes in the DS & Durga collection. Worn alone or layered, this one is a hit. From the brand: " a wonderful tool for anyone who wants to play around with perfume. It can be worn as a modern wonderfully