“…The suppression of hair growth has been reported in association with exposure to certain metals, chemicals and prescription drugs (Koblenzer and Weiner, 1969;Kwiatkowska and Plonka, 1971;Stein et al, 1973;Wustner et al, 1975;Field, 1980;Dawber and Mortimer, 1982;Mulhern et al, 1986;Yassa, 1986;Tosi et al, 1994). The mechanisms for how diverse types of chemicals and drugs suppress hair growth have not been determined, but there are early indications that p53 may be involved via the control of apoptosis in hair follicles (Botchkarev et al, 2001).…”