Now Smell This has a new coupon code for beautycafe: enter code NST for 10% off, any time. Sorry, it cannot be combined with any other codes.
Take 20% off at Caswell-Massey through April 2nd with code PCS2005. In addition to their own line, they have Truefitt & Hill, Knize, Roger & Gallet, and Lorenzo Villoresi Uomo and Piper Nigrum. (via Freskagirl on MakeupAlley).
Save $5 off a $50 purchase at perfumebay with coupon code springsave5, good through 3/31.