Toxicological trivia from November 03, 2009: Eucalyptus oil applied topically has shown potential value to repel mosquitoes. Effectiveness as a repellent has a relative, a pleasant scent and is formulated as creams and lotions, but not recommended for use in:
a) Children under 3 years;
b) Pregnant or nursing mothers;
c) Both previous statements are correct.

Answer c. Read more in the monograph Repellents, update 2009 (only available in Spanish).