Unilever (UL, UN) will buy Alberto-Culver (NYSE:ACV-OLD) for $3.7B ($37.50/share), a 33% premium to its 12-month average. ACV's portfolio includes TRESemme and Nexxus, Alberto VO5, St. Ives and Noxzema. Unilever, headquartered in London and Rotterdam, is the world's No.3 consumer products company behind Procter & Gamble (NYSE:PG) and Nestle (OTCPK:NSRGY).