EFFECTS OF WATER ON HEAT-STYLING DAMAGE 27 ACKNOWLEDGMENTS The authors thank Mike Holmes and the team at the School of Chemistry, Manchester University, for providing access to the fl uorescence spectroscopy equipment. They also thank Sharon Martiny and the team at ISP for their advice on heat-protection technology. REFERENCES (1) PZ Cussons (UK) Ltd, Internal market research data (2009). (2) M. Gamez-Garcia, The cracking of human hair cuticles by cyclical thermal stresses, J.Cosmet. Sci., 49, 141–153 (1998). (3) C. R. Robbins, Chemical and Physical Behavior of Human Hair, 4th Ed. (Springer-Verlag, New York, 2002), pp 268–275. (4) S. B. Ruetsch and Y. K. Kamanth, Effects of thermal treatments with a curling iron on hair fi ber, J. Cosmet. Sci., 55, 13–27 (2004). (5) R. McMullen and J. Jachowicz, Thermal degradation of hair. 1. Effect of curling irons, J. Cosmet. Sci., 49, 223–224 (1998). (6) B. Schweid and G. Martino, How thermal protection is made possible with sodium polystyrene sul- fonate, S.O.F.W. Journal, 130, 36–40 (2004). (7) R. Rigoletto, J. Karolak, and D. Kolemel, Quantifi cation of fi ber fragmentation of hair through comb- ing as a measure of thermal protection, J. Cosmet. Sci., 60, 578–579 (2009). (8) P. Mirmirani, Cermanic fl at irons: Improper use leading to acquired trichorrhexis nodosa, J. Am. Acad. Dermatol., 62, 145–147 (2009). (9) R. McMullen and J. Jachowicz, Thermal degradation of hair. II. Effect of selected polymers and surfac- tants, J. Cosmet. Sci., 49, 245–256 (1998). (10) F. W. J. Teale and G. Weber, Ultraviolet fl uorescence of the aromatic amino acids, Biochem., 65, 476–482 (1957). (11) P. A. Cornwell and M. Whatmough, Heat protection spray. GB 0906962.6 (2009).
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