50 mg/ sq m."Though all the options given can cause alopecia, doxorubicin is the one mentioned as classically linked to alopecia.Also note: Hair loss typically begins to appear 2-3 weeks after the first exposure to the drug.Chemical depilators contain calcium thioglycolate, whichbreaks down disulphide bonds in keratin so that the hair iseasily scraped off where it emerges from the hair follicle.">