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The Secret Behind Eyelash Growth and Sunscreen's Dark Side

By: Rebecca James Gadberry
Posted: June 11, 2008, from the November 2006 issue of Skin Inc. magazine.

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7 A Reynolds, P Murray, P Colloby, Darkening of eyelashes in a patient treated with latanoprost, Eye (12) 741–743 (1998)

8 S Mansberger and G Coiffi, Eyelash formation secondary to latanoprost treatment in a patient with alopecia, Arch Ophthalmol (118) 718–719 (2000)

9 E Higginbotham, R Feldman, M Stiles and H Dubiner, Latanoprost and timolol combination therapy vs monotherapy. One-year randomized trial. Arch Ophthalmol (120) 915–922 (2002)

Q. Is it true that sunscreens create free radicals in the skin?

A. Yes. This past August, researchers at the University of California gained wide media attention when they announced that three commonly used sunscreen ingredients can produce skin-damaging free radicals if the sunscreen is not reapplied at regular intervals throughout the day when skin is exposed to sunlight.1