treatment of hair lossUS642921814 Nov 20006 Ago 2002Joseph ScivolettoApplying a serum, cream, or lotion containing extra niacin to treat skin disorders such as acne, blackheads, fine lines, and enlarged pores; concentration is sufficient to produce warmth, blush, flushing or redness of skinUS6586473 *12 Ene 20001 Jul 2003Medicis Pharmaceutical CorporationTopical drug delivery composition and meth