216 citations
,
October 1997 in “American Journal of Ophthalmology” Using the eye pressure medication latanoprost can cause excessive hair growth and darker eyelashes on the treated eye.
11 citations
,
April 2013 in “Homo” Darker skin in 10-year-old girls may be an early sign of puberty.
January 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
29 citations
,
March 2011 in “The Journal of Nutritional Biochemistry” Eating isoflavone can help mice grow hair by increasing a growth factor.
96 citations
,
January 1997 in “Clinics in Dermatology” Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.