Clairol, a leading player in the U.S. hair care category, has been put up for sale by its parent company, Bristol-Myers Squibb. Possible suitors for Clairol, which had sales of $2.38 billion last year, include Procter & Gamble, L’Oreal and Unilever. Stephen Sadove, who has served as president of Clairol for nine years, will lead the divesture of the unit. Mr. Sadove said the company intends to sell Clairol intact, which means keeping the professional and consumer components together. ...