Richardson-Vicks may repurchase more shares.

The company’s board of directors has authorized the company to buy an additional 2 million shares of its own stock, bringing the total to 7 million shares, in a continuing attempt to thwart a hostile $1.35-billion takeover by Unilever NV. Richardson-Vicks reported earlier that it had completed the purchase of 5 million shares and that the board had given it permission to buy the additional stock. A company spokesman said the Richardson family and company management interests now hold 41% of Richardson-Vicks’ outstanding shares.