I once heard Pat Hanrahan (who among other things was involved in some of the early realistic hair rendering work) claim that L'Oréal funded some of that work,

I once heard Pat Hanrahan (who among other things was involved in some of the early realistic hair rendering work) claim that L'Oréal funded some of that work, exactly because they were interested in what the models said about the (control of) appearance of real hair.