Lipogenesis in Human Skin. II. The Effect of Physical and Chemical Factors on In Vitro Lipogenesis from Acetate**From the Research Laboratories of the Department of Dermatology of the Harvard Medical School at the Massachusetts General Hospital, Boston 14, Massachusetts.This work was supported by research grants from the United States Public Health Service (Grant #AM-02523), the American. Heart Association (Grant #59 G 52) and the Massachusetts Heart Association (Grants #351 and 532).