"Effects of treatment with a natural lip balm on lip barrier function". Journal of the American Academy of Dermatology. 72 (5): AB23. May 2015. doi:10.1016/j.jaad.2015.02.103.
Sander, Staci Ann (1 February 2003). "Help for a lip balm junkie. (Real-Life Beauty with Bobbi Brown)". Prevention. 55 (2): 100–101. GaleA99818231.
Cardellino, Carly (1 April 2009). "Addicted to lip balm? What keeps you chained to your favorite lube--plus, does natural deodorant really work?". Shape. 28 (8): 68–69. GaleA196055444.