Early Use of PbS Nanotechnology for an Ancient Hair Dyeing Formula Walter, Philippe ; Welcomme, Eléonore ; Hallégot, Philippe ; Zaluzec, Nestor J. ; Deeb, Christopher ; Castaing, Jacques ; Veyssière, Patrick ; Bréniaux, René ; Lévêque, Jean-Luc ; Tsoucaris, Georges Abstract Publication: Nano Letters Pub Date: October 2006 DOI: 10.1021/nl061493u Bibcode: 2006NanoL...6.2215W