What bracha should be upon smelling a scented candle?
Answer:
Provided that natural fragrance is used, one should recite borei minei besamim. If the fragrance is synthetic, there is a dispute among poskim over whether or not a blessing should be recited.
Sources: Concerning synthetic fragrances, see Rav Shlomo Zalman Auerbach, quoted in Shmiras Shabbos Kehilchasah, Vol. 2, p. 263, note 32.