Some researchers in Japan said there is a chemical in Mcdonalds Fries called dimethylpolysiloxan.
But you ought to know that while transplantation of the follicle germs onto the back of mice did generate the sprouting of black hairs, simply eating McDonald's fries will not help to stimulate hair regrowth.
So that basically means eating the fries will not be enough.
You gotta rub the fries on your hairline!
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