i had a training on this at work by one of the creators (who's so sweet). i love grapefruit the best. vanilla's really nice, too. it's not that fake vanilla scent, either.
the reason why this is so different from other fragrances is because of its antioxidants and all that stuff. it's good for people who are sensitive, have allergies, etc.
some inside, miscellaneous info: the lady that trained us (the founder) gave this fragrance out at the last awards (forgot which one) and one of my coworkers asked her if she just created this, she must have some connections to have it out at sephora of all places, and she said she used to be jessica simpson's publicist and worked for other celebrities.