The family owns 65% of the capital and 78% of the voting right of the French cosmetics company.
Takeover speculation began in March 2007 when founder Jacques Courtin-Clarins passed away. L'Oreal SA was reportedly planning a bid. However, in November, the company announced that ownership would not change hands.
The company will give details of the buyout offer at a press conference on June 30. - Maria Woehr
See TheDeal.com: Clarins dismisses takeover talk